A 50.00 mL solution of 0.0273 M formic acid (Ka = 1.8 x 10^-4) is titrated witha 0.0373 M solution of sodium hydroxide as a titrant. What is the pH of the acid solution at the equivalence point? (Kw = 1.0 x 10^-14)
a. 7.97
b. 2.67
c. 6.03
d. 10.71
e. 3.74