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How many grams of sodium acetate trihydrate (m. wt. 136) and how many ml of 1 M acetic acid solution are necessary for preparing 3 liter 0.2 M, pH6.4 acetate buffer? pk, = 4.7

How many grams of sodium acetate trihydrate (m. wt. 136) and how many ml of 1 M acetic acid solution are necessary for preparing 3 liter 0.2 M, pH6.4 acetate buffer? pk, = 4.7

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4.1.3.15. How many grams of sodium acetate trihydrate (m. wt. 136) and how many ml of 1 M acetic acid solution are necessary for preparing 3 liter 0.2 M, pH6.4 acetate buffer? pk, = 4.7 4.1.3.16. 0.03 g-eq. [H*] is formed during an enzymatic reaction carried out in 0.2 M TrisHCI buffer (pH=7.8). Calculate the pH at the end of reaction (pK,= 8.1). Calculate the pH if water were used instead of the buffer! Why is necessary to use the buffer in this reaction?
Transcribed Image Text:4.1.3.15. How many grams of sodium acetate trihydrate (m. wt. 136) and how many ml of 1 M acetic acid solution are necessary for preparing 3 liter 0.2 M, pH6.4 acetate buffer? pk, = 4.7 4.1.3.16. 0.03 g-eq. [H*] is formed during an enzymatic reaction carried out in 0.2 M TrisHCI buffer (pH=7.8). Calculate the pH at the end of reaction (pK,= 8.1). Calculate the pH if water were used instead of the buffer! Why is necessary to use the buffer in this reaction?
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