Consider the Following Aqueous Equilibrium for a Formic Acid Solution $\leftrightarrows$

question 210

Multiple Choice

Consider the following aqueous equilibrium for a formic acid solution, HCOOH(aq) $\leftrightarrows$ 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.

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