You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid...

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You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid (pKa = 4.20) and 0.240 M sodium benzoate. How much of each solution should be mixed to prepare this buffer?

You need to prepare 100.0 mL of a pH-4.00 buffer solution using 0.100 M benzoic acid (pKa 4.20) and 0.240 M sodium benzoate.

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Answer 1

Answer #1

DHA 4. 00:4.20 + tiven that с 4.00-4.20 1 pka: 420 EHA 14A 10 0 6310 hve kne 24.0-0 240x つ0.06312-24-o-0.2W- 9(0. 043l t 0, 2

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