What is the pH of a solution which is 0.0400 M in formic acid, HCO2H, and 0.0600 M in sodium formate, NaHCOO?

What is the pH of a solution which is 0.0400 M in formic acid, HCO2H, and 0.0600 M in sodium formate, NaHCOO?




a. 3.92
b. 3.96
c. 4.00
d. 9.52
e. 4.08



Answer: A