Be sure to answer all parts. Tris [tris(hydroxymethyl)aminomethane] is a common buffer for studying biological systems. (K = 5.01 × 10 and pK = 8.3) (a) Calculate the pH of the Tris buffer after mixing 11.0 mL of 0.20 M HCl solution with 25.0 mL of 0.10 M Tris. (b) This buffer was used to study an enzyme-catalyzed reaction. As a result of the reaction, 0.00019 mol of H* was produced. What is the pH of the buffer at the end of the reaction? (c) What would be the final pH if no buffer were present?
Be sure to answer all parts. Tris [tris(hydroxymethyl)aminomethane] is a common buffer for studying biological systems. (K = 5.01 × 10 and pK = 8.3) (a) Calculate the pH of the Tris buffer after mixing 11.0 mL of 0.20 M HCl solution with 25.0 mL of 0.10 M Tris. (b) This buffer was used to study an enzyme-catalyzed reaction. As a result of the reaction, 0.00019 mol of H* was produced. What is the pH of the buffer at the end of the reaction? (c) What would be the final pH if no buffer were present?
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.123QP: A 25.0-mL sample of hydroxylamine is titrated to the equivalence point with 35.8 mL of 0.150 M HCl....
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![Be sure to answer all parts.
Tris [tris(hydroxymethyl)aminomethane] is a common buffer for studying biological systems.
(K = 5.01 × 10 and pK = 8.3)
(a) Calculate the pH of the Tris buffer after mixing 11.0 mL of 0.20 M HCl solution with 25.0 mL of
0.10 M Tris.
(b) This buffer was used to study an enzyme-catalyzed reaction. As a result of the reaction, 0.00019
mol of H* was produced. What is the pH of the buffer at the end of the reaction?
(c) What would be the final pH if no buffer were present?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F41579eea-f914-459c-aaab-e66ae4bfecec%2F23d8f9fb-ed9f-4e5f-ad60-0b2a409bd1aa%2Flki5iv.png&w=3840&q=75)
Transcribed Image Text:Be sure to answer all parts.
Tris [tris(hydroxymethyl)aminomethane] is a common buffer for studying biological systems.
(K = 5.01 × 10 and pK = 8.3)
(a) Calculate the pH of the Tris buffer after mixing 11.0 mL of 0.20 M HCl solution with 25.0 mL of
0.10 M Tris.
(b) This buffer was used to study an enzyme-catalyzed reaction. As a result of the reaction, 0.00019
mol of H* was produced. What is the pH of the buffer at the end of the reaction?
(c) What would be the final pH if no buffer were present?
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