A physician wishes to prepare a buffer solution at pH = 3.58 that efficiently resists a change in pH yet contains only small concentrations of the buffering agents. Which one of the following weak aci

Question

A physician wishes to prepare a buffer solution at pH = 3.58 that efficiently resists a change in pH yet contains only small concentrations of the buffering agents. Which one of the following weak acid together with its sodium salt would be best to use?

Prashant Kotian · Accepted Answer

Correct answer: D. A buffer operates most efficiently when the desired pH is as close as possible to the of the weak acid being used. Since the target pH is 3.58, acetoacetic acid () is the ideal choice.

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