A solution is made by adding HCN to yield a concentration of 0.01 M and KCN to yield a concentration of 0.01 M. Using the algebraic approximation method, (a) What is the pH of the solution if activity corrections are ignored? (b) What is the pH of the solution if activity corrections are included?

A solution is made by adding HCN to yield a concentration of 0.01 M and KCN to yield a concentration of 0.01 M. Using the algebraic approximation method, (a) What is the pH of the solution if activity corrections are ignored? (b) What is the pH of the solution if activity corrections are included?

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 49P

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Question

A solution is made by adding HCN to yield a concentration of 0.01 M and KCN to
yield a concentration of 0.01 M. Using the algebraic approximation method,
(a) What is the pH of the solution if activity corrections are ignored?
(b) What is the pH of the solution if activity corrections are included?

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