The PH of a Solution of 2 $\times$ 10^-6 and K_a2 is 1

Multiple Choice

The pH of a solution of 2.2 M H₂A (K_a1 = 1.0 $\times$ 10^-6 and K_a2 is 1.0 $\times$ 10^-10) is:

A) 10.00
B) 2.83
C) 11.17
D) 5.66
E) 7.00