Calculate the PH of a Solution Prepared by Dissolving 0

Multiple Choice

Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid (HCO₂H) and 0.230 mol of sodium formate (NaCO₂H) in water sufficient to yield 1.00 L of solution. The K_a of formic acid is 1.77 × 10^-4.

A) 2.099
B) 10.318
C) 3.682
D) 2.307
E) 3.952