The pH of a 0.03 M formic acid (HCOOH) solution is 2.63. If 0.03 M sodium formate (NaHCOO) is added, which of the following statements is true?
a. The pH decreases.
b. The equilibrium position is shifted to the left.
c. The [H3O+] increases.
d. The [HCOOH] decreases.
e. None of these are true.
Answer: B