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April 21, 2014

Homework Help: Chemistry

Posted by Saira on Thursday, July 9, 2009 at 2:01am.

A beaker with 150 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.60 mL of a 0.280 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.

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