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May 25, 2015

Homework Help: Chemistry

Posted by Anonymous on Tuesday, October 6, 2009 at 8:06pm.

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 7.90 mL of a 0.480 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.

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