Multiple Choice
A 1.0-liter solution contains 0.25 M HF and 0.33 M NaF (Ka for HF is 7.2 × 10-4) . If one adds 0.30 liters of 0.020 M KOH to the solution,what will be the change in pH?
A) 0.02
B) 3.28
C) 0.14
D) -0.11
E) -0.28
Correct Answer:

Verified
Correct Answer:
Verified
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