What is the pH of a buffer that is 0.12 M in lactic acid (HC3H503) and 0.10 m in sodium lactate? For lactic acid, K...

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Answer 1

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Answer #1

The pH of an acidic buffer solution is given by pH = pKa+ log(conjugate base/ weak acid)

The pH of an acidic buffer solution in this case is given by pH = pKa+ log(sodium lactate/ lactic acid)

The pH of the given buffer solution = -log(1.4*10^-4) + log(0.10/0.12) = 3.77

Answer 2

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