Answered: What is the pH of the buffer in your…

What is the pH of the buffer in your paper pulp if you add 0.581 mM calcium carbonate to pulp that started with 0.452 mM acid (pH=3.37)?

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter7: Neutralization Titrations And Graphical Representations

Section: Chapter Questions

Problem 8P

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Question

you have found the pK_a to be 10.3. “Acid-free” paper should have a pH between 8.7 and 10.2. What is the pH of the buffer in your paper pulp if you add 0.581 mM calcium carbonate to pulp that started with 0.452 mM acid (pH=3.37)?

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