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Homework Help: Chemistry

Posted by Jematormal91 on Thursday, March 29, 2012 at 2:28pm.

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?

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