Determine the pH of (a) a 0.40 M CH3COOH solution and (b) a solution that is 0.40 M CH3COOH and 0.20 M CH3 Ka for CH3COOH = 1.8 X 10-5. Could you have predicted that the pH would rise after addition of sodium acetate to pure 0.40 M acetic acid from part (a) by applying Le Chatelier’s principle?

Determine the pH of (a) a 0.40 M CH3COOH solution and (b) a solution that is 0.40 M CH3COOH and 0.20 M CH3 Ka for CH3COOH = 1.8 X 10-5. Could you have predicted that the pH would rise after addition of sodium acetate to pure 0.40 M acetic acid from part (a) by applying Le Chatelier’s principle?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.9QAP

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Determine the pH of (a) a 0.40 M CH₃COOH solution and (b) a solution that is 0.40 M CH₃COOH and 0.20 M CH₃ Ka for CH₃COOH = 1.8 X 10^-5. Could you have predicted that the pH would rise after addition of sodium acetate to pure 0.40 M acetic acid from part (a) by applying Le Chatelier’s principle?

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