Thursday, December 22, 2011

PH please help?

A beaker with 195ml 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 0.1M . A student adds 8.90ml of a 0.410 M solution to the beaker. How much will the pH change? The PKa of acetic acid is 4.76.

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