5. Calculate the pH of a 1.5 x 10
-7
M solution of Sr(OH)
2
, a strong base.
What is [OH
-
]
b
, the concentration of OH
-
due to Sr(OH)
2
dissociation alone?
a) 3.0 x 10
-7
M
b) 1.5 x 10
-7
M
c) 7.5 x 10
-8
M
d) 0 M
