To 1.00 L of a 0.100 M aqueous solution of benzoic acid (C₆H₅COOH) is added 1.00 mL
of 12.0 M HCl. What is the percentage ionization of the benzoic acid in the resulting
solution? [Ka(C₆H₅COOH) = 6.5 × 10⁻⁵]
A) 3.3%
B) 12%
C) 1.3%
D) 0.52%
E) 0.065%