8. 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
-

What are the changes in concentration of the aqueous species?

a) +xM, +xM
b) -xM, +xM
c) +xM, -xM
d) -xM, -xM