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id="toc-Unități_de_măsură-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Proprietăți" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Proprietăți"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Proprietăți</span> </div> </a> <button aria-controls="toc-Proprietăți-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Proprietăți subsection</span> </button> <ul id="toc-Proprietăți-sublist" class="vector-toc-list"> <li id="toc-Relația_cu_volumul_molar" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Relația_cu_volumul_molar"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Relația cu volumul molar</span> </div> </a> <ul id="toc-Relația_cu_volumul_molar-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Metode_de_măsurare" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Metode_de_măsurare"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Metode de măsurare</span> </div> </a> <ul id="toc-Metode_de_măsurare-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Masa_molară_medie_a_unui_amestec" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Masa_molară_medie_a_unui_amestec"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Masa molară medie a unui amestec</span> </div> </a> <button aria-controls="toc-Masa_molară_medie_a_unui_amestec-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Masa molară medie a unui amestec subsection</span> </button> <ul id="toc-Masa_molară_medie_a_unui_amestec-sublist" class="vector-toc-list"> <li id="toc-Exprimare_funcție_de_fracțiile_molare_și_masele_molare_ale_componenților" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Exprimare_funcție_de_fracțiile_molare_și_masele_molare_ale_componenților"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Exprimare funcție de fracțiile molare și masele molare ale componenților</span> </div> </a> <ul id="toc-Exprimare_funcție_de_fracțiile_molare_și_masele_molare_ale_componenților-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Exprimare_funcție_de_fracțiile_masice_și_masele_molare_ale_componenților" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Exprimare_funcție_de_fracțiile_masice_și_masele_molare_ale_componenților"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Exprimare funcție de fracțiile masice și masele molare ale componenților</span> </div> </a> <ul id="toc-Exprimare_funcție_de_fracțiile_masice_și_masele_molare_ale_componenților-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Exemplu_de_calcul" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Exemplu_de_calcul"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Exemplu de calcul</span> </div> </a> <ul id="toc-Exemplu_de_calcul-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Exemple_de_mase_molare" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Exemple_de_mase_molare"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Exemple de mase molare</span> </div> </a> <ul id="toc-Exemple_de_mase_molare-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Vezi_și" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Vezi_și"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Vezi și</span> </div> </a> <ul id="toc-Vezi_și-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Cuprins" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Comută cuprinsul" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Comută cuprinsul</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Masă molară</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Mergeți la un articol în altă limbă. Disponibil în 73 limbi" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-73" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">73 limbi</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Mol%C3%AAre_massa" title="Molêre massa – afrikaans" lang="af" hreflang="af" data-title="Molêre massa" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Masa_molar" title="Masa molar – aragoneză" lang="an" hreflang="an" data-title="Masa molar" data-language-autonym="Aragonés" data-language-local-name="aragoneză" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%83%D8%AA%D9%84%D8%A9_%D9%85%D9%88%D9%84%D9%8A%D8%A9" title="كتلة مولية – arabă" lang="ar" hreflang="ar" data-title="كتلة مولية" data-language-autonym="العربية" data-language-local-name="arabă" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Molyar_k%C3%BCtl%C9%99" title="Molyar kütlə – azeră" lang="az" hreflang="az" data-title="Molyar kütlə" data-language-autonym="Azərbaycanca" data-language-local-name="azeră" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%85%D9%88%D9%84_%D8%AC%D8%B1%D9%85%DB%8C" title="مول جرمی – South Azerbaijani" lang="azb" hreflang="azb" data-title="مول جرمی" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D1%8F%D1%80%D0%BD%D0%B0%D1%8F_%D0%BC%D0%B0%D1%81%D0%B0" title="Малярная маса – belarusă" lang="be" hreflang="be" data-title="Малярная маса" data-language-autonym="Беларуская" data-language-local-name="belarusă" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D1%8F%D1%80%D0%BD%D0%B0%D1%8F_%D0%BC%D0%B0%D1%81%D0%B0" title="Малярная маса – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Малярная маса" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D0%B0%D1%80%D0%BD%D0%B0_%D0%BC%D0%B0%D1%81%D0%B0" title="Моларна маса – bulgară" lang="bg" hreflang="bg" data-title="Моларна маса" data-language-autonym="Български" data-language-local-name="bulgară" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Molarna_masa" title="Molarna masa – bosniacă" lang="bs" hreflang="bs" data-title="Molarna masa" data-language-autonym="Bosanski" data-language-local-name="bosniacă" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Massa_molar" title="Massa molar – catalană" lang="ca" hreflang="ca" data-title="Massa molar" data-language-autonym="Català" data-language-local-name="catalană" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Mol%C3%A1rn%C3%AD_hmotnost" title="Molární hmotnost – cehă" lang="cs" hreflang="cs" data-title="Molární hmotnost" data-language-autonym="Čeština" data-language-local-name="cehă" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D1%8C_%D0%BC%D0%B0%D1%81%D1%81%D0%B8" title="Моль масси – ciuvașă" lang="cv" hreflang="cv" data-title="Моль масси" data-language-autonym="Чӑвашла" data-language-local-name="ciuvașă" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Molmasse" title="Molmasse – daneză" lang="da" hreflang="da" data-title="Molmasse" data-language-autonym="Dansk" data-language-local-name="daneză" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Molare_Masse" title="Molare Masse – germană" lang="de" hreflang="de" data-title="Molare Masse" data-language-autonym="Deutsch" data-language-local-name="germană" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Molar_mass" title="Molar mass – engleză" lang="en" hreflang="en" data-title="Molar mass" data-language-autonym="English" data-language-local-name="engleză" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Molmaso" title="Molmaso – esperanto" lang="eo" hreflang="eo" data-title="Molmaso" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Masa_molar" title="Masa molar – spaniolă" lang="es" hreflang="es" data-title="Masa molar" data-language-autonym="Español" data-language-local-name="spaniolă" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Molaarmass" title="Molaarmass – estonă" lang="et" hreflang="et" data-title="Molaarmass" data-language-autonym="Eesti" data-language-local-name="estonă" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Masa_molar" title="Masa molar – bască" lang="eu" hreflang="eu" data-title="Masa molar" data-language-autonym="Euskara" data-language-local-name="bască" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AC%D8%B1%D9%85_%D9%85%D9%88%D9%84%DB%8C" title="جرم مولی – persană" lang="fa" hreflang="fa" data-title="جرم مولی" data-language-autonym="فارسی" data-language-local-name="persană" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Moolimassa" title="Moolimassa – finlandeză" lang="fi" hreflang="fi" data-title="Moolimassa" data-language-autonym="Suomi" data-language-local-name="finlandeză" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Masse_molaire" title="Masse molaire – franceză" lang="fr" hreflang="fr" data-title="Masse molaire" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Masa_molar" title="Masa molar – galiciană" lang="gl" hreflang="gl" data-title="Masa molar" data-language-autonym="Galego" data-language-local-name="galiciană" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A1%D7%94_%D7%9E%D7%95%D7%9C%D7%A8%D7%99%D7%AA" title="מסה מולרית – ebraică" lang="he" hreflang="he" data-title="מסה מולרית" data-language-autonym="עברית" data-language-local-name="ebraică" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AE%E0%A5%8B%E0%A4%B2%E0%A4%B0_%E0%A4%A6%E0%A5%8D%E0%A4%B0%E0%A4%B5%E0%A5%8D%E0%A4%AF%E0%A4%AE%E0%A4%BE%E0%A4%A8" title="मोलर द्रव्यमान – hindi" lang="hi" hreflang="hi" data-title="मोलर द्रव्यमान" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Molna_masa" title="Molna masa – croată" lang="hr" hreflang="hr" data-title="Molna masa" data-language-autonym="Hrvatski" data-language-local-name="croată" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Mas_mol%C3%A8" title="Mas molè – haitiană" lang="ht" hreflang="ht" data-title="Mas molè" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitiană" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Mol%C3%A1ris_t%C3%B6meg" title="Moláris tömeg – maghiară" lang="hu" hreflang="hu" data-title="Moláris tömeg" data-language-autonym="Magyar" data-language-local-name="maghiară" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%B8%D5%AC%D5%A1%D5%B5%D5%AB%D5%B6_%D5%A6%D5%A1%D5%B6%D5%A3%D5%BE%D5%A1%D5%AE" title="Մոլային զանգված – armeană" lang="hy" hreflang="hy" data-title="Մոլային զանգված" data-language-autonym="Հայերեն" data-language-local-name="armeană" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Massa_molar" title="Massa molar – interlingua" lang="ia" hreflang="ia" data-title="Massa molar" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Massa_molar" title="Massa molar – indoneziană" lang="id" hreflang="id" data-title="Massa molar" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziană" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Massa_molare" title="Massa molare – italiană" lang="it" hreflang="it" data-title="Massa molare" data-language-autonym="Italiano" data-language-local-name="italiană" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%A2%E3%83%AB%E8%B3%AA%E9%87%8F" title="モル質量 – japoneză" lang="ja" hreflang="ja" data-title="モル質量" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%9D%E1%83%9A%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%9B%E1%83%90%E1%83%A1%E1%83%90" title="მოლური მასა – georgiană" lang="ka" hreflang="ka" data-title="მოლური მასა" data-language-autonym="ქართული" data-language-local-name="georgiană" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D1%8C%D0%B4%D1%96%D0%BA_%D0%BC%D0%B0%D1%81%D1%81%D0%B0" title="Мольдік масса – kazahă" lang="kk" hreflang="kk" data-title="Мольдік масса" data-language-autonym="Қазақша" data-language-local-name="kazahă" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%AA%B0_%EC%A7%88%EB%9F%89" title="몰 질량 – coreeană" lang="ko" hreflang="ko" data-title="몰 질량" data-language-autonym="한국어" data-language-local-name="coreeană" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D1%8F%D1%80%D0%B4%D1%8B%D0%BA_%D0%BC%D0%B0%D1%81%D1%81%D0%B0" title="Молярдык масса – kârgâză" lang="ky" hreflang="ky" data-title="Молярдык масса" data-language-autonym="Кыргызча" data-language-local-name="kârgâză" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Massa_molaris" title="Massa molaris – latină" lang="la" hreflang="la" data-title="Massa molaris" data-language-autonym="Latina" data-language-local-name="latină" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Molio_mas%C4%97" title="Molio masė – lituaniană" lang="lt" hreflang="lt" data-title="Molio masė" data-language-autonym="Lietuvių" data-language-local-name="lituaniană" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Molmasa" title="Molmasa – letonă" lang="lv" hreflang="lv" data-title="Molmasa" data-language-autonym="Latviešu" data-language-local-name="letonă" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D1%8F%D1%80%D0%BE%D0%BD%D1%8C_%D1%81%D1%82%D0%B0%D0%BB%D0%BC%D0%BE%D1%81%D1%8C" title="Моляронь сталмось – moksha" lang="mdf" hreflang="mdf" data-title="Моляронь сталмось" data-language-autonym="Мокшень" data-language-local-name="moksha" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D0%B0%D1%80%D0%BD%D0%B0_%D0%BC%D0%B0%D1%81%D0%B0" title="Моларна маса – macedoneană" lang="mk" hreflang="mk" data-title="Моларна маса" data-language-autonym="Македонски" data-language-local-name="macedoneană" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AE%E0%B5%8B%E0%B4%B3%E0%B4%BE%E0%B5%BC_%E0%B4%AE%E0%B4%BE%E0%B4%B8%E0%B5%8D" title="മോളാർ മാസ് – malayalam" lang="ml" hreflang="ml" data-title="മോളാർ മാസ്" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D0%B8%D0%B9%D0%BD_%D0%BC%D0%B0%D1%81%D1%81" title="Молийн масс – mongolă" lang="mn" hreflang="mn" data-title="Молийн масс" data-language-autonym="Монгол" data-language-local-name="mongolă" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Jisim_molar" title="Jisim molar – malaeză" lang="ms" hreflang="ms" data-title="Jisim molar" data-language-autonym="Bahasa Melayu" data-language-local-name="malaeză" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Molaire_massa" title="Molaire massa – neerlandeză" lang="nl" hreflang="nl" data-title="Molaire massa" data-language-autonym="Nederlands" data-language-local-name="neerlandeză" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Molmasse" title="Molmasse – norvegiană nynorsk" lang="nn" hreflang="nn" data-title="Molmasse" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegiană nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Molar_masse" title="Molar masse – norvegiană bokmål" lang="nb" hreflang="nb" data-title="Molar masse" data-language-autonym="Norsk bokmål" data-language-local-name="norvegiană bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Massa_molara" title="Massa molara – occitană" lang="oc" hreflang="oc" data-title="Massa molara" data-language-autonym="Occitan" data-language-local-name="occitană" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AE%E0%A9%8B%E0%A8%B2%E0%A8%B0_%E0%A8%AA%E0%A9%81%E0%A9%B0%E0%A8%9C" title="ਮੋਲਰ ਪੁੰਜ – punjabi" lang="pa" hreflang="pa" data-title="ਮੋਲਰ ਪੁੰਜ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Masa_molowa" title="Masa molowa – poloneză" lang="pl" hreflang="pl" data-title="Masa molowa" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Massa_molar" title="Massa molar – portugheză" lang="pt" hreflang="pt" data-title="Massa molar" data-language-autonym="Português" data-language-local-name="portugheză" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D1%8F%D1%80%D0%BD%D0%B0%D1%8F_%D0%BC%D0%B0%D1%81%D1%81%D0%B0" title="Молярная масса – rusă" lang="ru" hreflang="ru" data-title="Молярная масса" data-language-autonym="Русский" data-language-local-name="rusă" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/Mol%C3%A1ra_m%C3%A1ss%C3%A1" title="Molára mássá – sami de nord" lang="se" hreflang="se" data-title="Molára mássá" data-language-autonym="Davvisámegiella" data-language-local-name="sami de nord" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Molarna_masa" title="Molarna masa – sârbo-croată" lang="sh" hreflang="sh" data-title="Molarna masa" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="sârbo-croată" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Molar_mass" title="Molar mass – Simple English" lang="en-simple" hreflang="en-simple" data-title="Molar mass" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Mol%C3%A1rna_hmotnos%C5%A5" title="Molárna hmotnosť – slovacă" lang="sk" hreflang="sk" data-title="Molárna hmotnosť" data-language-autonym="Slovenčina" data-language-local-name="slovacă" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Molska_masa" title="Molska masa – slovenă" lang="sl" hreflang="sl" data-title="Molska masa" data-language-autonym="Slovenščina" data-language-local-name="slovenă" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Masa_molare" title="Masa molare – albaneză" lang="sq" hreflang="sq" data-title="Masa molare" data-language-autonym="Shqip" data-language-local-name="albaneză" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D0%B0%D1%80%D0%BD%D0%B0_%D0%BC%D0%B0%D1%81%D0%B0" title="Моларна маса – sârbă" lang="sr" hreflang="sr" data-title="Моларна маса" data-language-autonym="Српски / srpski" data-language-local-name="sârbă" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Molmassa" title="Molmassa – suedeză" lang="sv" hreflang="sv" data-title="Molmassa" data-language-autonym="Svenska" data-language-local-name="suedeză" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AE%BE%E0%AE%AF%E0%AF%8D%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%81_%E0%AE%8E%E0%AE%9F%E0%AF%88" title="வாய்ப்பாட்டு எடை – tamilă" lang="ta" hreflang="ta" data-title="வாய்ப்பாட்டு எடை" data-language-autonym="தமிழ்" data-language-local-name="tamilă" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AE%E0%B1%8B%E0%B0%B2%E0%B0%BE%E0%B0%B0%E0%B1%8D_%E0%B0%A6%E0%B1%8D%E0%B0%B0%E0%B0%B5%E0%B1%8D%E0%B0%AF%E0%B0%B0%E0%B0%BE%E0%B0%B6%E0%B0%BF" title="మోలార్ ద్రవ్యరాశి – telugu" lang="te" hreflang="te" data-title="మోలార్ ద్రవ్యరాశి" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Bigat_ng_molar" title="Bigat ng molar – tagalog" lang="tl" hreflang="tl" data-title="Bigat ng molar" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Mol_k%C3%BCtlesi" title="Mol kütlesi – turcă" lang="tr" hreflang="tr" data-title="Mol kütlesi" data-language-autonym="Türkçe" data-language-local-name="turcă" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D1%8F%D1%80%D0%BD%D0%B0_%D0%BC%D0%B0%D1%81%D0%B0" title="Молярна маса – ucraineană" lang="uk" hreflang="uk" data-title="Молярна маса" data-language-autonym="Українська" data-language-local-name="ucraineană" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%85%D9%88%D9%84%D8%B1_%DA%A9%D9%85%DB%8C%D8%AA" title="مولر کمیت – urdu" lang="ur" hreflang="ur" data-title="مولر کمیت" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz badge-Q70893996 mw-list-item" title=""><a href="https://uz.wikipedia.org/wiki/Molyar_massa" title="Molyar massa – uzbecă" lang="uz" hreflang="uz" data-title="Molyar massa" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbecă" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Kh%E1%BB%91i_l%C6%B0%E1%BB%A3ng_mol" title="Khối lượng mol – vietnameză" lang="vi" hreflang="vi" data-title="Khối lượng mol" data-language-autonym="Tiếng Việt" data-language-local-name="vietnameză" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%91%A9%E5%B0%94%E8%B4%A8%E9%87%8F" title="摩尔质量 – chineză wu" lang="wuu" hreflang="wuu" data-title="摩尔质量" data-language-autonym="吴语" data-language-local-name="chineză wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%91%A9%E5%B0%94%E8%B4%A8%E9%87%8F" title="摩尔质量 – chineză" lang="zh" hreflang="zh" data-title="摩尔质量" data-language-autonym="中文" data-language-local-name="chineză" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E6%91%A9%E7%88%BE%E8%B3%AA%E9%87%8F" title="摩爾質量 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="摩爾質量" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%91%A9%E7%88%BE%E8%B3%AA%E9%87%8F" title="摩爾質量 – cantoneză" lang="yue" hreflang="yue" data-title="摩爾質量" data-language-autonym="粵語" data-language-local-name="cantoneză" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q145623#sitelinks-wikipedia" title="Modifică legăturile interlinguale" class="wbc-editpage">Modifică legăturile</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div 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class="mw-content-ltr mw-parser-output" lang="ro" dir="ltr"><p><b>Masa molară</b> este masa unui <a href="/wiki/Mol" title="Mol">mol</a> de substanță. Are valoarea numerică egală cu <a href="/wiki/Mas%C4%83_molecular%C4%83" title="Masă moleculară">masa moleculară</a> relativă exprimată în unități atomice de masă. Se poate exprima ca raportul dintre </p> <ol><li><a href="/wiki/Masa" class="mw-redirect" title="Masa">masa</a> unei substanțe cu unitatea de măsură kilogramul</li> <li><a href="/wiki/Cantitate_de_substan%C8%9B%C4%83" title="Cantitate de substanță">cantitatea de substanță</a> care se măsoară în moli (numărul de particule dintr-un mol =6,0221415*10<sup>23</sup> care este de fapt <a href="/wiki/Num%C4%83rul_lui_Avogadro" title="Numărul lui Avogadro">numărul lui Avogadro</a>)</li></ol> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle M={\frac {m}{n}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>M</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>m</mi> <mi>n</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M={\frac {m}{n}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/32398a386cca20dcc0e938544d13e9742e073d6c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:8.417ex; height:4.676ex;" alt="{\displaystyle M={\frac {m}{n}}}"></span></dd></dl> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Unități_de_măsură"><span id="Unit.C4.83.C8.9Bi_de_m.C4.83sur.C4.83"></span>Unități de măsură</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=1" title="Modifică secțiunea: Unități de măsură" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=1" title="Edit section's source code: Unități de măsură"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>kilogram/mol (kg/mol) gram/mol (g/mol) </p> <div class="mw-heading mw-heading2"><h2 id="Proprietăți"><span id="Propriet.C4.83.C8.9Bi"></span>Proprietăți</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=2" title="Modifică secțiunea: Proprietăți" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=2" title="Edit section's source code: Proprietăți"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Relația_cu_volumul_molar"><span id="Rela.C8.9Bia_cu_volumul_molar"></span>Relația cu volumul molar</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=3" title="Modifică secțiunea: Relația cu volumul molar" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=3" title="Edit section's source code: Relația cu volumul molar"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rho _{i}={{M_{i}} \over {V_{\mathrm {m} }}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>ρ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> </mrow> </msub> </mrow> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi>V</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">m</mi> </mrow> </mrow> </msub> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho _{i}={{M_{i}} \over {V_{\mathrm {m} }}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/683d88960271da35255ecda8d11672a412eac831" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:8.99ex; height:5.509ex;" alt="{\displaystyle \rho _{i}={{M_{i}} \over {V_{\mathrm {m} }}}}"></span> unde ρ<sub>i</sub> e <a href="/wiki/Densitate" title="Densitate">densitatea</a> substanței, M<sub>i</sub> e masa molară iar V<sub>m</sub> e <a href="/wiki/Volum_molar" title="Volum molar">volumul molar</a></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Metode_de_măsurare"><span id="Metode_de_m.C4.83surare"></span>Metode de măsurare</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=4" title="Modifică secțiunea: Metode de măsurare" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=4" title="Edit section's source code: Metode de măsurare"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading2"><h2 id="Masa_molară_medie_a_unui_amestec"><span id="Masa_molar.C4.83_medie_a_unui_amestec"></span>Masa molară medie a unui amestec</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=5" title="Modifică secțiunea: Masa molară medie a unui amestec" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=5" title="Edit section's source code: Masa molară medie a unui amestec"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Exprimare_funcție_de_fracțiile_molare_și_masele_molare_ale_componenților"><span id="Exprimare_func.C8.9Bie_de_frac.C8.9Biile_molare_.C8.99i_masele_molare_ale_componen.C8.9Bilor"></span>Exprimare funcție de fracțiile molare și masele molare ale componenților</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=6" title="Modifică secțiunea: Exprimare funcție de fracțiile molare și masele molare ale componenților" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=6" title="Edit section's source code: Exprimare funcție de fracțiile molare și masele molare ale componenților"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Masa molară medie a unui amestec e suma produselor dintre masele molare ale componenților și fracțiile lor molare. </p> <div class="mw-heading mw-heading3"><h3 id="Exprimare_funcție_de_fracțiile_masice_și_masele_molare_ale_componenților"><span id="Exprimare_func.C8.9Bie_de_frac.C8.9Biile_masice_.C8.99i_masele_molare_ale_componen.C8.9Bilor"></span>Exprimare funcție de fracțiile masice și masele molare ale componenților</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=7" title="Modifică secțiunea: Exprimare funcție de fracțiile masice și masele molare ale componenților" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=7" title="Edit section's source code: Exprimare funcție de fracțiile masice și masele molare ale componenților"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Inversul masei molare medii a unui amestec e egal cu suma raporturilor între <a href="/wiki/Frac%C8%9Bie_masic%C4%83" title="Fracție masică">fracțiile masice</a> și masele molare ale componenților. </p> <div class="mw-heading mw-heading2"><h2 id="Exemplu_de_calcul">Exemplu de calcul</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=8" title="Modifică secțiunea: Exemplu de calcul" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=8" title="Edit section's source code: Exemplu de calcul"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Calculul masei molare a apei (18g/mol) de exemplu:</li> <li class="mw-empty-elt"></li></ul> <p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle M_{\mathrm {H_{2}O} }=2M_{\mathrm {H} }+M_{\mathrm {O} }=2\cdot 1{,}00794\,{\frac {\mathrm {g} }{\mathrm {mol} }}+15{,}9994\,{\frac {\mathrm {g} }{\mathrm {mol} }}=18{,}0152\,{\frac {\mathrm {g} }{\mathrm {mol} }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi mathvariant="normal">O</mi> </mrow> </mrow> </msub> <mo>=</mo> <mn>2</mn> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">H</mi> </mrow> </mrow> </msub> <mo>+</mo> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">O</mi> </mrow> </mrow> </msub> <mo>=</mo> <mn>2</mn> <mo>⋅</mo> <mn>1,007</mn> <mn>94</mn> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">g</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">m</mi> <mi mathvariant="normal">o</mi> <mi mathvariant="normal">l</mi> </mrow> </mfrac> </mrow> <mo>+</mo> <mn>15,999</mn> <mn>4</mn> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">g</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">m</mi> <mi mathvariant="normal">o</mi> <mi mathvariant="normal">l</mi> </mrow> </mfrac> </mrow> <mo>=</mo> <mn>18,015</mn> <mn>2</mn> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">g</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">m</mi> <mi mathvariant="normal">o</mi> <mi mathvariant="normal">l</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M_{\mathrm {H_{2}O} }=2M_{\mathrm {H} }+M_{\mathrm {O} }=2\cdot 1{,}00794\,{\frac {\mathrm {g} }{\mathrm {mol} }}+15{,}9994\,{\frac {\mathrm {g} }{\mathrm {mol} }}=18{,}0152\,{\frac {\mathrm {g} }{\mathrm {mol} }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f8723850a43e2a06c5498b8b84d3d095713705b3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:70.063ex; height:5.009ex;" alt="{\displaystyle M_{\mathrm {H_{2}O} }=2M_{\mathrm {H} }+M_{\mathrm {O} }=2\cdot 1{,}00794\,{\frac {\mathrm {g} }{\mathrm {mol} }}+15{,}9994\,{\frac {\mathrm {g} }{\mathrm {mol} }}=18{,}0152\,{\frac {\mathrm {g} }{\mathrm {mol} }}}"></span> </p> <div class="mw-heading mw-heading2"><h2 id="Exemple_de_mase_molare">Exemple de mase molare</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=9" title="Modifică secțiunea: Exemple de mase molare" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=9" title="Edit section's source code: Exemple de mase molare"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <table align="center" border="0" cellpadding="5" style="border-color: #aaaaaa"> <tbody><tr> <td>Element </td> <td>Simbol </td> <td>Nr.de ordine </td> <td>Masa molară </td></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Hidrogen" title="Hidrogen">hidrogen</a> </td> <td>H </td> <td>1 </td> <th>1,00794 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Carbon" title="Carbon">carbon</a> </td> <td>C </td> <td>6 </td> <th>12,0107 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Azot" title="Azot">azot</a> </td> <td>N </td> <td>7 </td> <th>14,0067 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Oxigen" title="Oxigen">oxigen</a> </td> <td>O </td> <td>8 </td> <th>15,9994 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Fosfor" title="Fosfor">fosfor</a> </td> <td>P </td> <td>15 </td> <th>30,973761 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Sulf" title="Sulf">sulf</a> </td> <td>S </td> <td>16 </td> <th>32,065 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Clor" title="Clor">clor</a> </td> <td>Cl </td> <td>17 </td> <th>35,453 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Nichel" title="Nichel">nichel</a> </td> <td>Ni </td> <td>28 </td> <th>58,6934 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Paladiu" title="Paladiu">paladiu</a> </td> <td>Pd </td> <td>46 </td> <th>106,42 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Platin%C4%83" title="Platină">platină</a> </td> <td>Pt </td> <td>78 </td> <th>195,078 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Iod" title="Iod">iod</a> </td> <td>I </td> <td>53 </td> <th>126,9044 g/mol </th></tr> <tr bgcolor="#F08080"> <td>Compus chimic </td> <td>Formulă </td> <td>Nr. de atomi </td> <th>Masa molară </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Ap%C4%83" title="Apă">apă</a> </td> <td>H<sub>2</sub>O </td> <td>3 </td> <th>18,01528 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Parathormon" title="Parathormon">parathormon</a> </td> <td>C<sub>408</sub>H<sub>674</sub>N<sub>126</sub>O<sub>126</sub>S<sub>2</sub> </td> <td>1336 </td> <th>9424,6158 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Dioxid_de_siliciu" title="Dioxid de siliciu">dioxid de siliciu</a> </td> <td>SiO<sub>2</sub> </td> <td>3 </td> <th>60,0843 g/mol </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Metan" title="Metan">metan</a> </td> <td>CH<sub>4</sub> </td> <td>5 </td> <th>16.043 g/mol </th></tr> <tr bgcolor="#F08080"> <td>Amestecuri </td> <td>Formulă </td> <td>Nr. de atomi </td> <th>Masa molară </th></tr> <tr bgcolor="#eeeeee"> <td><a href="/wiki/Aer" title="Aer">aer</a> </td> <td> </td> <td> </td> <th>28,96 g/mol </th></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Vezi_și"><span id="Vezi_.C8.99i"></span>Vezi și</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&veaction=edit&section=10" title="Modifică secțiunea: Vezi și" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mas%C4%83_molar%C4%83&action=edit&section=10" title="Edit section's source code: Vezi și"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Mas%C4%83_atomic%C4%83" title="Masă atomică">Masă atomică</a></li> <li><a href="/wiki/Mas%C4%83_molecular%C4%83" title="Masă moleculară">Masă moleculară</a></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Adus de la <a dir="ltr" href="https://ro.wikipedia.org/w/index.php?title=Masă_molară&oldid=15870568">https://ro.wikipedia.org/w/index.php?title=Masă_molară&oldid=15870568</a></div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categorii" title="Special:Categorii">Categorii</a>: <ul><li><a href="/wiki/Categorie:Chimie_fizic%C4%83" title="Categorie:Chimie fizică">Chimie fizică</a></li><li><a href="/wiki/Categorie:Mas%C4%83" title="Categorie:Masă">Masă</a></li><li><a href="/wiki/Categorie:M%C4%83rimi_fizice" title="Categorie:Mărimi fizice">Mărimi fizice</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Ultima editare a paginii a fost efectuată la 1 octombrie 2023, ora 12:35.</li> <li id="footer-info-copyright">Acest text este disponibil sub licența <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.ro">Creative Commons cu atribuire și distribuire în condiții identice</a>; pot exista și clauze suplimentare. 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