Calculate the [H⁺] in a Solution That Is 0 $\times$ 10^-4)
A)7

Multiple Choice

Calculate the [H⁺] in a solution that is 0.16 M in NaF and 0.25 M in HF.(K_a = 7.2 $\times$ 10^-4)

A) 7.2 $\times$ 10^-4 M
B) 1.6 M
C) 1.1 $\times$ 10^-3 M
D) 0.20 M
E) 4.6 $\times$ 10^-4 M