Buffer: Calculate the pH of a buffer solution prepared by dissolving 16.13g benzoic acid (MW = 122.12 g/mol) with 28.28g

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answerhappygod
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Buffer: Calculate the pH of a buffer solution prepared by dissolving 16.13g benzoic acid (MW = 122.12 g/mol) with 28.28g

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Buffer: Calculate the pH of a buffer solution
prepared by dissolving 16.13g benzoic acid (MW = 122.12 g/mol) with
28.28g of sodium benzoate (MW = 144.11 g/mol) in enough water to
prepare a solution whose final volume is 645.00mL. The pKa of
benzoic acid is 4.19.
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