Adding a Strong Acid to a Buffer?
A beaker with 1.70×102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 mol L−1. A student adds 5.80 mL of a 0.330 mol L−1 HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.
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