18. Aqueous Equilibrium
Intro to Buffers
Multiple Choice
Multiple Choice1.0 L of a buffer is prepared to produce a solution that is 0.400 M in HF and 0.250 M in LiF. What is the pH after the addition of 2.5 g of KOH? Assume no volume change.
Ka for HF = 3.5 × 10−4.
A
3.25
B
3.12
C
3.37
D
3.54
E
3.79
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