Formic Acid (HCOOH,K_a = 1

Formic acid (HCOOH,K_a = 1.8 × 10^-4) is the principal component in the venom of stinging ants.What is the molarity of a formic acid solution if 25.00 mL of the aqueous formic acid solution requires 29.80 mL of 0.0567 mol L^-1 NaOH(aq) to reach the equivalence point?

A) 0.0134 mol L^-1
B) 0.0476 mol L^-1
C) 0.0567 mol L^-1
D) 0.0676 mol L^-1