What is the pH of an aqueous buffer solution that is 0.211 mol L-1 in lactic acid and 0.111 mol L-1 in sodium lactate? The Of lactic acid is 1.4 ×
.
A) 14.28
B) 10.43
C) 5.48
D) 3.57
E) 4.13
Correct Answer:
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