8. What is the pH in the preceding problem if the mixture consists of 0.1 M acetic acid and 0.25 M sodium acetate? 9. Calculate the ratio of lactic acid and lactate required in a buffer system of pH 5.00. The pKa of lactic acid is 3.86 10. During fermentation of wine, a buffer system consisting of tartaric acid and potassium hydrogen tartrate is produced by biochemical reaction. Assuming that at some time the concentration of potassium hydrogen tartrate is twice that of tartaric acid, calculate the pH of the wine. pKa of tartaric acid is 2.96.
8. What is the pH in the preceding problem if the mixture consists of 0.1 M acetic acid and 0.25 M sodium acetate? 9. Calculate the ratio of lactic acid and lactate required in a buffer system of pH 5.00. The pKa of lactic acid is 3.86 10. During fermentation of wine, a buffer system consisting of tartaric acid and potassium hydrogen tartrate is produced by biochemical reaction. Assuming that at some time the concentration of potassium hydrogen tartrate is twice that of tartaric acid, calculate the pH of the wine. pKa of tartaric acid is 2.96.
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 34QAP: A buffer is prepared using the butyric acid/butyrate (HC4H7O2/C4H7O2)acid-base pair. The ratio of...
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