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Question

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

A
m-chlorobenzoic acid

B
p-chlorocinnamic acid

C
2,5-dihydroxy benzoic acid

D
Acetoacetic acid

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Text SolutionText solutionverified iconVerified

By the use of Henderson's equation

When, [salt] = [acid]

, thus at this state

So, acetoacetic acid is best to use.
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Question Text
A physician wishes to prepare a buffer solution at pH = 3.58 that efficiently resist changes in pH yet contains only small concentration of the buffering agents. Which one of the following weak acid together with its sodium salt would be best to use ?
Answer TypeText solution:1
Upvotes150