Calculate the [H⁺] in a Solution That Has a PH $\times$

Multiple Choice

Calculate the [H⁺] in a solution that has a pH of 9.88.

A) 4.1 M
B) 9.9 M
C) 7.6 $\times$ 10^-5 M
D) 1.3 $\times$ 10^-10 M
E) none of these