A Solution of 2 $\times$ 10^-5
B)1 $\times$ 10^-2
D)5 $\times$ 10^-3
E)none of These

Multiple Choice

A solution of 2.9 M weak acid is 0.52% ionized.What is the K_a value of this acid?

A) 7.9 $\times$ 10^-5
B) 1.5
C) 1.5 $\times$ 10^-2
D) 5.2 $\times$ 10^-3
E) none of these