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What Is the PH of a Buffer Solution That Is

Question 74

Multiple Choice

What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The K_a of lactic acid is 1.4 × 10^-4.

A) 14.28
B) 10.43
C) 5.48
D) 3.57
E) 4.13

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