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A beaker with 175 ml of an acetic acid buffer with a pH of 5.0 is sitting...

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Chemistry

Abeaker with 175 ml of an acetic acid buffer with a pH of 5.0 issitting on a benchtop. The total molsrity of acid and conjugatebase in this buffer is 0.10 mol/L. A student adds 6.30 mL of a0.340 mol/L HCl solution to the beaker. How much will the pHchange? The pKa of acetic acid is 4.760.

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