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"><div id='contents'><div id='main-contents'><div class='col-tit'> <h1 class='title'><span class='ico0304' id='iconbar'>雨水（淡水）のｐHを計算（二酸化炭素は大気と溶解平衡）２５℃ <span id='selfmake2' title='' alt=''><label id='formulacreater'></label>   実行数: 20</span></span></h1></div><div class='bread-navi'><ol class='bread-crumbs'><li><a href='/'>ホーム</a></li><span id='allimage'></span><li> / <a href='/menu/user/000000002140'>みんなの自作式（科学）</a></li><li> / <a href='/menu/user/000000002160'>化学（一般）</a></li></ol></div><div class='section'><div id='tb-col'><script> setHistoryList("雨水（淡水）のｐHを計算（二酸化炭素は大気と溶解平衡）２５℃",'', ''); sysUserCode='user/1700720803';</script><div class='scroolpnt'><table width='100%' border='0' cellspacing='0' cellpadding='0' id='toptable'><tr><td colspan=3 id='summary' class='top_left'><h2 class='title'>雨水（淡水）の水素イオン濃度とｐＨと総二酸化炭素濃度ＤＩＣを計算<br>水温２５℃での計算</h2></td></tr><tr><td colspan=3 id='upcom' align='center'><table id='tablemid' class='setumei'><tr><td>Hp = sqrt( K0*K1*pCO2+Kw );<br>pH = -log( K0*K1*pCO2+Kw )/2;<br>/* Dissolved inorganic carbon (DIC) */<br><br>DIC = Hp + K0*pCO2;<br>H2CO3 = K0*pCO2;<br>HCO3m = K1*H2CO3/Hp;<br><br>print(Hp);<br>print(pH);<br>print(DIC);<br>print(H2CO3);<br>print(HCO3m);<br>print(DIC*10^6);<br>print(H2CO3*10^6);<br>print(HCO3m*10^6);</td></tr></table></td></tr><tr><td colspan=2 align='center'><form name='calc'><input type='hidden' name='lang' value=''><input type='hidden' name='charset' value='utf-8'><table id='inparea'><tr><td colspan='3' class='center'><span id='myGraphA'></span></td></tr><tr><td class='right'><span id='var_K0_disp'>K0</span></td><td><ul class='inner-table'><ol><li><span id='var_K0_inp'><input size='12' autocomplete=off type='text' name='var_K0' id='var_K0' value="0.0342" class='text' onKeyDown='nextFocus2(event)'></span></li><li><span id='var_K0_unit'>mol/L/atm</span></li><li><span id='var_K0_explain' class='execspon'>２５℃</span></li></ol></ul></td><td rowspan=15 class='center'><span id='myGraphB'></span></td></tr><tr><td class='right'><span id='var_K1_disp'>K1</span></td><td><ul class='inner-table'><ol><li><span id='var_K1_inp'><input size='12' autocomplete=off type='text' name='var_K1' id='var_K1' value="10^(-6.36)" class='text' onKeyDown='nextFocus2(event)'></span></li><li><span id='var_K1_unit'>mol/L</span></li><li><span id='var_K1_explain' class='execspon'>２５℃</span></li></ol></ul></td></tr><tr><td class='right'><span id='var_pCO2_disp'>pCO2</span></td><td><ul class='inner-table'><ol><li><span id='var_pCO2_inp'><input size='12' autocomplete=off type='text' name='var_pCO2' id='var_pCO2' value="400*10^(-6)" class='text' onKeyDown='nextFocus2(event)'></span></li><li><span id='var_pCO2_unit'>atm</span></li><li><span id='var_pCO2_explain' class='execspon'>２５℃</span></li></ol></ul></td></tr><tr><td class='right'><span id='var_Kw_disp'>Kw</span></td><td><ul class='inner-table'><ol><li><span id='var_Kw_inp'><input size='12' autocomplete=off type='text' name='var_Kw' id='var_Kw' value="10^(-14)" class='text' onKeyDown='nextFocus2(event)'></span></li><li><span id='var_Kw_unit'>mol/L</span></li><li><span id='var_Kw_explain' class='execspon'>２５℃</span></li></ol></ul></td></tr></table><table border='0' cellpadding='0' cellspacing='0' id='btntbl' ><tr><td colspan='2' class='center'><input type='button' value=' 計算 ' onclick='return checkText()' class='bigbutton' id='executebtn'><input type='button' id='clearbtn' value='クリア' onclick='clearText()' class='bigbutton'><span id='graph'></span><span id='loadsavebtnarea'><input type='button' value='保存・呼出' id='loadsavebtn' onclick='loadSaveBtn(1)' class='bigbutton'></span><script> if(document.getElementById('graph') != null){document.getElementById('graph').innerHTML = "";} </script> <hr class='line'><span id='loadSaveArea'></span></td></tr><tr><td colspan='2' class='center'><span id='myGraphC'></span></td></tr><tr><td align=right valign=middle><font class='inpdispname'>H+</font></td><td nowrap valign=middle><ul class='inner-table'><ol><li><div class='answaku' id='ans0' style='padding-left:40px;'> </div></li><li>mol/L</li><li></li><li></li><li></li></ol></ul></td><tr><td align=right valign=middle><font class='inpdispname'>pH</font></td><td nowrap valign=middle><ul class='inner-table'><ol><li><div class='answaku' id='ans1' style='padding-left:40px;'> </div></li><li></li><li></li><li></li><li></li></ol></ul></td><tr><td align=right valign=middle><font class='inpdispname'>DIC</font></td><td nowrap valign=middle><ul class='inner-table'><ol><li><div class='answaku' id='ans2' style='padding-left:40px;'> </div></li><li>mol/L</li><li></li><li></li><li></li></ol></ul></td><tr><td align=right valign=middle><font class='inpdispname'>炭酸 H2CO3</font></td><td nowrap valign=middle><ul class='inner-table'><ol><li><div class='answaku' id='ans3' style='padding-left:40px;'> </div></li><li>mol/L</li><li></li><li></li><li></li></ol></ul></td><tr><td align=right valign=middle><font class='inpdispname'>HCO3-</font></td><td nowrap valign=middle><ul class='inner-table'><ol><li><div class='answaku' id='ans4' style='padding-left:40px;'> </div></li><li>mol/L</li><li></li><li></li><li></li></ol></ul></td><tr><td align=right valign=middle><font class='inpdispname'>DIC</font></td><td nowrap valign=middle><ul class='inner-table'><ol><li><div class='answaku' id='ans5' style='padding-left:40px;'> </div></li><li>μmol/L</li><li></li><li></li><li></li></ol></ul></td><tr><td align=right valign=middle><font class='inpdispname'>炭酸 H2CO3</font></td><td nowrap valign=middle><ul class='inner-table'><ol><li><div class='answaku' id='ans6' style='padding-left:40px;'> </div></li><li>μmol/L</li><li></li><li></li><li></li></ol></ul></td><tr><td align=right valign=middle><font class='inpdispname'>HCO3-</font></td><td nowrap valign=middle><ul class='inner-table'><ol><li><div class='answaku' id='ans7' style='padding-left:40px;'> </div></li><li>μmol/L</li><li></li><li></li><li></li></ol></ul></td><tr><td colspan=2></td></tr></table></td></tr></table></div></form><script> var calendarAr = new Array();</script><div class='center_container'><table class='image_d_exe' align='center'><tr><td class='center'><span id='myGraphD'></span></td></tr></table><div align='center'><span id='myGraphE'></span></div><div align='center'><table align='center' class='setumei'><tr><td align='left'>雨水（淡水）のｐHを計算します。<br>https://repun-app.fish.hokudai.ac.jp/mod/page/view.php?id=2291</td></tr></table></div><div class='self_notify'>本ライブラリは会員の方が作成した作品です。内容について当サイトは一切関知しません。</div></div></div>  <div id='questionnaire'><ul class='tab-title cf'></ul><div class='tabs' id='quest-tabs'><ul class='tab-title cf'><li class='tab-voice'><div><img src='/keisan/pc/common/img/ico_voice.png' alt='' /><a href='#voice' onclick='_tabpc = 1;readAnketo(0)'><span>お客様の声</span></a></div></li><li class='tab-enq'><div><img 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class='radiolabel' for='work06' onclick='radioSel("work", "エンジニア")'>エンジニア</label><input type='radio' name='work' class='kradio' id='work07' value='教師・研究員' ><label class='radiolabel' for='work07' onclick='radioSel("work", "教師・研究員")'>教師・研究員</label><input type='radio' name='work' class='kradio' id='work09' value='その他' ><label class='radiolabel' for='work09' onclick='radioSel("work", "その他")'>その他</label></dd></dl><dl><dt>この計算式は</dt><dd><input type='radio' name='useful' class='kradio' id='useful01' value='非常に役に立った' ><label class='radiolabel' for='useful01' onclick='radioSel("useful", "非常に役に立った")'>非常に役に立った</label><input type='radio' name='useful' class='kradio' id='useful02' value='役に立った' ><label class='radiolabel' for='useful02' onclick='radioSel("useful", "役に立った")'>役に立った</label><br><input type='radio' name='useful' class='kradio' id='useful03' value='少し役に立った' ><label class='radiolabel' for='useful03' onclick='radioSel("useful", "少し役に立った")'>少し役に立った</label><input type='radio' name='useful' 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