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Question: A beaker with 1.40×102 mL of an acetic acid buffer with a pH of 5.000...

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Chemistry

Question: A beaker with 1.40×102 mL of an acetic acidbuffer with a pH of 5.000 is sitting on a benchtop. The totalmolarity of acid and conjugate base in this buffer is 0.100M. A student adds 6.60 mL of a 0.430 MHClsolution to the beaker. How much will the pH change? ThepKa of acetic acid is 4.740.

Please explain your steps. Thank you!

Answer & Explanation Solved by verified expert
3.9 Ratings (535 Votes)
Lets first determine how much acetic acid and acetate we have in the buffer pH pKa log baseacid 5000 4760 log baseacid 0240 log baseacid 100240    See Answer
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