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A beaker with 105 mL of an acetic acid buffer with a pH of 5.000 is...

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Chemistry

A beaker with 105 mL of an acetic acid buffer with a pH of 5.000is sitting on a benchtop. The total molarity of acid and conjugatebase in this buffer is 0.100 M. A student adds 8.70 mL of a 0.490 MHCl solution to the beaker. How much will the pH change? The pKa ofacetic acid is 4.740.

Answer & Explanation Solved by verified expert
3.6 Ratings (434 Votes)
Given the pH of the acetic acid buffer 5000 Applying Hendersen equation pH pKa logCH3COO CH3COOH 5000 474 logCH3COO CH3COOH logCH3COO CH3COOH 026 CH3COO CH3COOH 10026 182 1 Given CH3COO    See Answer
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