A 0.5226 g sample of an unknown monoprotic acid was titrated with 9.96 × 10⁻2 M NaOH. The equivalence point of the titration occurs at 23.82 mL. What is the molarity of the acid?
a) 0.0105 M
b) 0.0200 M
c) 0.0255 M
d) 0.0351 M