Determine the [H₃O⁺] in a 0

Multiple Choice

Determine the [H₃O⁺] in a 0.265 mol L^-1 HClO solution. The K_a of HClO is 2.9 × 10^-8.

A) 1.1 × 10^-10 mol L^-1
B) 7.7 × 10^-9 mol L^-1
C) 1.3 × 10^-6 mol L^-1
D) 4.9 × 10^-4 mol L^-1
E) 8.8 × 10^-5 mol L^-1