A 1 liter solution contains 0.319 M hypochlorous acid and 0.425 M sodium hypochlorite. Addition of 0.080 moles of calcium hydroxide will:
(Assume that the volume does not change upon the addition of calcium hydroxide.)

Select all of them that apply-

Raise the pH slightly
Lower the pH slightly
Raise the pH by several units
Lower the pH by several units
Not change the pH
Exceed the buffer capacity