What Is the Approximate PH at the Equivalence Point of a Weak

Multiple Choice

What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous formic acid requires 29.80 mL of 0.1567 M NaOH? K_a =1.8 × 10^-4 for formic acid.

A) 2.24
B) 5.66
C) 8.34
D) 11.76