7. Calculate the pH of a 1.5 x 10-7 M solution of Sr(OH)2, a strong base.

Ionization equilibrium: H2O (l) H+ (aq) + OH- (aq)


I.C.E. table:

H2O (l) H+ (aq) OH- (aq)
INITIAL
-
0M
3.0x10-7M
CHANGE
-
EQUILIBRIUM
-

Which way will the reaction shift to reach equilibrium?

a) left
b) right
c) it won't shift, it is already at equilibrium