Rank the conjugate bases of the following weak acids from strongest to weakest.
Acid K a
butyric acid 1.51 x 10 -5
hydrofluoric acid 6.76 x 10 -4
phenol 1.02 x 10 -10
A. hydrofluoric acid, butyric acid, phenol
B. butyric acid, hydrofluoric acid, phenol
C. phenol, butyric acid, hydrofluoric acid
D. hydrofluoric acid, phenol, butyric acid
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