In an Aqueous Solution the [OH^-] Is 2

Multiple Choice

In an aqueous solution the [OH^-] is 2.0 × 10^-6 M. What is the [H⁺]?

A) 5.0 × 10^-9 M
B) 1.0 × 10^-7 M
C) 2.0 × 10^-6 M
D) 1.0 × 10⁸ M