Hydrofluoric acid, HF, is a weak acid. Which of the following is the correct expression for the Ka of hydrofluoric acid?
A) [H3O+][HF]/[F-]
B) [HF]/[ H3O+][F-]
C) [H3O+][F-]/[HF]
D) [HF][F-]/[ H3O+]
C
Environmental & Atmospheric Sciences
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