Introduction To General, Organic, And Biochemistry
Introduction To General, Organic, And Biochemistry
12th Edition
ISBN: 9781337571357
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 17, Problem 31P
Interpretation Introduction

Interpretation:

The form/s of acetic acid present at pH 2.0 or lower, at 4.75 and at 8.0 higher.

Concept Introduction:

For an acid HA; the acid dissociation reaction can be written as.

HA+H2OA+H3O+

The acid dissociation constant (Ka) is the ratio of product and reactant for the acid dissociation reaction. Hence it can be written as;.

Ka=[A][H3O+][HA]

Henderson-Hasselbalch equation purposed the relation between pH and pKa for weak acids:

pH=pKa+log[A][HA].

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Introduction To General, Organic, And Biochemistry

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