Thursday
January 29, 2015

Homework Help: Chem

Posted by Marisol on Tuesday, March 6, 2007 at 9:28pm.

Calculate the pH of a solution composed of 155mL of 0.1 M acetic acid and 45 g of sodium acetate. The pKa of acetic acid is 4.76.
MY ANSWER:
pH = 4.76 + log(3.53M/0.1M)
pH = 6.31

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