The Henderson-Hasselbalch equation:
A) allows the graphic determination of the molecular weight of a weak acid from its pH alone.
B) does not explain the behavior of di- or tri-basic weak acids.
C) employs the same value for pKa for all weak acids.
D) is equally useful with solutions of acetic acid and of hydrochloric acid.
E) relates the pH of a solution to the pKa and the concentrations of acid and conjugate base.
Correct Answer:
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