Calculate the pH of rainwater (freshwater) (carbon dioxide is in solution equilibrium between the atmosphere and rainwater)
Author: kegasaExecutions: 86
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Calculate the hydrogen ion concentration, pH, and total dissolved carbon dioxide (DIC) in rainwater (freshwater)
Hp = sqrt( K0*K1*pCO2+Kw );
pH = -log( K0*K1*pCO2+Kw )/2;
/* Dissolved inorganic carbon (DIC) */
DIC = Hp + K0*pCO2;
H2CO3 = K0*pCO2;
HCO3m = K1*H2CO3/Hp;
print(Hp);
print(pH);
print(DIC);
print(H2CO3);
print(HCO3m);
print(DIC*10^6);
print(H2CO3*10^6);
print(HCO3m*10^6);
pH = -log( K0*K1*pCO2+Kw )/2;
/* Dissolved inorganic carbon (DIC) */
DIC = Hp + K0*pCO2;
H2CO3 = K0*pCO2;
HCO3m = K1*H2CO3/Hp;
print(Hp);
print(pH);
print(DIC);
print(H2CO3);
print(HCO3m);
print(DIC*10^6);
print(H2CO3*10^6);
print(HCO3m*10^6);
| H+ | mol/L |
| pH | |
| DIC | mol/L |
| Carbonic acid H2CO3 | mol/L |
| HCO3- | mol/L |
| DIC | μmol/L |
| Carbonic acid H2CO3 | μmol/L |
| HCO3- | μmol/L |
Calculates the pH of rainwater (freshwater).
https://repun-app.fish.hokudai.ac.jp/mod/page/view.php?id=2291
https://repun-app.fish.hokudai.ac.jp/mod/page/view.php?id=2291
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