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September 21, 2014

Homework Help: chemistry

Posted by Brittany on Sunday, March 25, 2012 at 8:13pm.

How do I do a question like this please help and explain it!!

Calculate the pH of a buffer solution that contains 0.22 M benzoic acid (C6H5CO2H) and 0.24 M sodium benzoate (C6H5COONa). [Ka = 6.5 10-5 for benzoic acid] Round your answer to two places past the decimal.

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