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A natural water is in equilibrium with CO2 and CaCO3. Calculate pH if the mixing ratio of CO2 .is 620 ppmv. Assume that Po
A natural water is in equilibrium with CO2 and CaCO3. Calculate pH if the mixing ratio of CO2 .is 620 ppmv. Assume that Po = 101325 pascal and temperature is 25 oC CO2(g) + CaCO3(s) + H2O(L) = Ca2+(aq) + 2HCO3-(aq) K = 1.28x 10-11 M3/pa %3D * HCO3-(aq) + H2O(L) = H2CO3(aq) + OH-(aq) Kb = 2.2 x 10-8 %3D 8.14 8.71 8.45 8.52
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General Chemistry
Authors: Darrell Ebbing, Steven D. Gammon
11th Edition
1305580346, 978-1305580343
