Under a 25°C subsurface environment, the groundwater has reached equilibrium with soil minerals and pore gas. The pH of groundwater equals to 7.4. The major component of soil minerals is CACO3, with solubility constant pKso = 8.3. The partial pressure of CO2 in the pore gas is 0.2 atm. Determine [H2CO;], [HCO;], [CO;], [Ca"]. Give your %3D answers in molar concentration (M). Hints: Acid constants of H2CO3 at 25°C: pKal = 6.3; pKa2 = 10.3 Henry's constant for CO2 at 25°C: KH = 3.39*102 M/atm
Under a 25°C subsurface environment, the groundwater has reached equilibrium with soil minerals and pore gas. The pH of groundwater equals to 7.4. The major component of soil minerals is CACO3, with solubility constant pKso = 8.3. The partial pressure of CO2 in the pore gas is 0.2 atm. Determine [H2CO;], [HCO;], [CO;], [Ca"]. Give your %3D answers in molar concentration (M). Hints: Acid constants of H2CO3 at 25°C: pKal = 6.3; pKa2 = 10.3 Henry's constant for CO2 at 25°C: KH = 3.39*102 M/atm
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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