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July 4, 2015

Homework Help: chemistry help!!

Posted by DrFunk on Monday, July 13, 2009 at 1:10pm.

A beaker with 195 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 8.20 mL of a 0.260 it M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.

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