A 10-Liter Solution Contains 0 $\times$ 10^-4) $\underline{\text{ change }}$ In PH?
A) 0

Multiple Choice

A 1.0-liter solution contains 0.25 M HF and 0.32 M NaF (K_a for HF is 7.2 $\times$ 10^-4) .If one adds 0.30 liters of 0.020 M KOH to the solution,what will be the $\underline{\text{ change }}$ in pH?

A) 0.02
B) 3.27
C) 0.13
D) -0.11
E) -0.28