Answered: Calculate the pH of a buffer in which…

Calculate the pH of a buffer in which the concentration of HOCl is 6.50 x 10-4 M and that of NaOCl is 7.50 x 10-4 M. The Ka of HOCl is 3.0 x 10-8. Show work. Pay attention to significant figures.

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 95AP

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Calculate the pH of a buffer in which the concentration of HOCl is 6.50 x 10-4 M and
that of NaOCl is 7.50 x 10-4 M. The Ka of HOCl is 3.0 x 10-8. Show work. Pay attention
to significant figures.

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