Acetic Acid, (HC₂H₃O₂)is a Weak Acid (K_a = 1 $\times$ 10^-5)

Multiple Choice

Acetic acid, (HC₂H₃O₂) is a weak acid (K_a = 1.8 $\times$ 10^-5) .Calculate the pH of a 15.1 M HC₂H₃O₂ solution.

A) -1.18
B) 3.57
C) 1.78
D) 1.18
E) 12.22