How do you calculate the molarities of #CH_3COOH# and #CH_3COO^-# in buffer solution?

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How do you calculate the molarities of #CH_3COOH# and #CH_3COO^-# in buffer solution?

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Answer 1 · 2017-02-05T08:00:19

#pH=pK_a+log_10{[[AcO^-]]/[[HOAc]]}#

Explanation:

Well, you need starting concentrations of acetic acid and acetate, and also the #pK_a# of #"acetic acid"#, which is #4.76#. See here for the derivation of this formula.

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How do you calculate the molarities of #CH_3COOH# and #CH_3COO^-# in buffer solution?

1 Answer

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