1. You are given 0.5 M solution of the amino acid Arginine. pK1 (\alpha carboxyl group ) = 2.17 • pK2 (\alpha amino group) = 9.03 and ⚫ pK3 (guanidine group) = 12.48 Answer the following questions. a. Determine the pH of the solution if you add 15 mL 0.25 M HCI to 10 mL of the 0.5 M Arginine. Assume that Arginine is in isotonic state.(Show all calculations) b. Draw the structure of the amino acid at the pH determined in question 5a.
1. You are given 0.5 M solution of the amino acid Arginine. pK1 (\alpha carboxyl group ) = 2.17 • pK2 (\alpha amino group) = 9.03 and ⚫ pK3 (guanidine group) = 12.48 Answer the following questions. a. Determine the pH of the solution if you add 15 mL 0.25 M HCI to 10 mL of the 0.5 M Arginine. Assume that Arginine is in isotonic state.(Show all calculations) b. Draw the structure of the amino acid at the pH determined in question 5a.
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 8ALQ: You have a solution of the weak acid HA and add some of the salt NaA to it. What are the major...
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