The PH of Aqueous 0 $\times$ 10^-10
B) 1 $\times$ 10^-9
C) 9

Multiple Choice

The pH of aqueous 0.10 M pyridine (C₅H₅N) ion is 9.09.What is the K_b of this base?

A) 8.0 $\times$ 10^-10
B) 1.5 $\times$ 10^-9
C) 9.0 $\times$ 10^-6
D) 1.6 $\times$ 10^-5
E) 1.2 $\times$ 10^-5