An Impure Sample of Benzoic Acid (C₆H₅COOH,122 $\to$ NaC₆H₅COO(aq)+ H₂O(l)
A) 0

Multiple Choice

An impure sample of benzoic acid (C₆H₅COOH,122.12 g/mol) is titrated with 0.8067 M NaOH.A 5.109-g sample requires 36.97 mL of titrant to reach the endpoint.What is the percent by mass of benzoic acid in the sample?

C₆H₅COOH(aq) + NaOH(aq) $\to$ NaC₆H₅COO(aq) + H₂O(l)

A) 0.02442 %
B) 2.982 %
C) 100.0 %
D) 24.42 %
E) 71.29 %