At 37.0 °C, the reaction CO2(g) + H2O(l) ⇔ H+(aq) + HCO3-(aq) has K = 2.94x10-8. If [H2O] = 55.5 mol L-1, [H+] = 95.4 µmol L-1, and [HCO3-] = 12.4 mmol L-1 at equilibrium, determine the PCO2 (pressure of CO2) in bar.

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter12: Gaseous Chemical Equilibrium
Section: Chapter Questions
Problem 36QAP: At a certain temperature, K=0.29 for the decomposition of two moles of iodine trichloride, ICl3(s),...
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At 37.0 °C, the reaction CO2(g) + H2O(l) ⇔ H+(aq) + HCO3-(aq) has K = 2.94x10-8. If [H2O] = 55.5 mol L-1, [H+] = 95.4 µmol L-1, and [HCO3-] = 12.4 mmol L-1 at equilibrium, determine the PCO2 (pressure of CO2) in bar.

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