The equilibrium between carbon dioxide gas and carbonic acid is very important in biology and environmental science. CO₂(aq) + H₂O(l) H₂CO₃(aq)
Which one of the following is the correct equilibrium constant expression (K_c) for this reaction?

Question

The equilibrium between carbon dioxide gas and carbonic acid is very important in biology and environmental science. CO₂(aq) + H₂O(l)

The equilibrium between carbon dioxide gas and carbonic acid is very important in biology and environmental science. CO<sub>2</sub>(aq) + H<sub>2</sub>O(l) <sub> </sub>H<sub>2</sub>CO<sub>3</sub>(aq) Which one of the following is the correct equilibrium constant expression (K<sub>c</sub>) for this reaction? A) B) C) D) E)

H₂CO₃(aq)
Which one of the following is the correct equilibrium constant expression (K_c) for this reaction?

Quizplus · Accepted Answer

The equilibrium expression should be written as [HCO3-]/[CO2] * [H+] because it involves the products over reactants, and the reaction involves carbonic acid, bicarbonate, and hydrogen ions. The correct expression is therefore ( [HCO3-]/[CO2] * [H+] )

The Equilibrium Between Carbon Dioxide Gas and Carbonic Acid Is