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A beaker with 125 mL of an acetic acid buffer with a pH of 5.000 is...

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Chemistry

A beaker with 125 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 mol L−1. A student adds 7.00 mLof a0.360 mol L−1 HCl solution to the beaker. How much will the pHchange? The pKa of acetic acid is 4.760. Express your answernumerically to two decimal places. Use a minus (−) sign if the pHhas decreased.

Answer & Explanation Solved by verified expert
4.1 Ratings (605 Votes)
Acetic acid is written as AcOH and its onjgate base sodiumacetate is written as AcOHendersonHasselbalch equation ispH pKa log using the given pH and    See Answer
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