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A beaker with 2.00×10² 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 A student adds 9.00 mL of a 0.310 mol L¹ HCl solution to the beaker. H much will the pH change? The pKa of acetic acid is 4.760. Express your answer numerically to two decimal places. Use a minus (-) sign if the pH has decreased. View Available Hint(s) 1ΨΕΙ ΑΣΦΑ+ ApH = 0.89 ?

A beaker with 2.00×10² 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 A student adds 9.00 mL of a 0.310 mol L¹ HCl solution to the beaker. H much will the pH change? The pKa of acetic acid is 4.760. Express your answer numerically to two decimal places. Use a minus (-) sign if the pH has decreased. View Available Hint(s) 1ΨΕΙ ΑΣΦΑ+ ApH = 0.89 ?

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 26QAP: You want to make a buffer with a pH of 10.00 from NH4+/NH3. (a) What must the [ NH4+ ]/[ NH3 ]ratio...
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A beaker with 2.00×102 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 L¹ A student adds 9.00 mL of a 0.310 mol L¹ HCl solution to the beaker. H much will the pH change? The pKa of acetic acid is 4.760. Express your answer numerically to two decimal places. Use a minus (-) sign if the pH has decreased. View Available Hint(s) IVE ΑΣΦΑ ApH= 0.89 Submit Previous Answers pard ?
Transcribed Image Text:A beaker with 2.00×102 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 L¹ A student adds 9.00 mL of a 0.310 mol L¹ HCl solution to the beaker. H much will the pH change? The pKa of acetic acid is 4.760. Express your answer numerically to two decimal places. Use a minus (-) sign if the pH has decreased. View Available Hint(s) IVE ΑΣΦΑ ApH= 0.89 Submit Previous Answers pard ?
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