A Solution Contains 0 $\times$ 10^-8)and 0 $\times$ 10^-8 M
B)3 $\times$ 10^-8 M
C)5

Multiple Choice

A solution contains 0.500 M HA (K_a = 1.0 $\times$ 10^-8) and 0.432 M NaA.What is the [H⁺] after 0.10 mole of HCl is added to 1.00 L of this solution?

A) 1.0 $\times$ 10^-8 M
B) 3.0 $\times$ 10^-8 M
C) 5.5 $\times$ 10²¹ M
D) 1.8 $\times$ 10^-8 M
E) none of these