Consider the Following Aqueous Equilibrium for a Formic Acid Solution

Multiple Choice

Consider the following aqueous equilibrium for a formic acid solution, HCOOH(aq) ⇄ H⁺(aq) + HCOO^-(aq) .Suppose solid sodium formate, NaHCOO, is added to the solution.Which of the following statements regarding the resulting solution is NOT correct? Ignore any volume changes.

A) The pH decreases.
B) The H⁺ concentration decreases.
C) The system shifts left to reestablish equilibrium.
D) The HCOOH concentration increases.
E) The value of K_a does not change.