Exploring Chemical Analysis
Exploring Chemical Analysis
5th Edition
ISBN: 9781429275033
Author: Daniel C. Harris
Publisher: Macmillan Higher Education
Question
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Chapter 15, Problem 15.10P

(a)

Interpretation Introduction

Interpretation:

Change in junction potential and corresponding change in pH has to be estimated.

Concept Introduction:

Across any junction certain difference in potential exists due to dissimilar solution found in each electrode compartment. These different electrolytes carry different ions that tend to diffuse across the salt bridge. Such voltage difference is termed junction potential.

(b)

Interpretation Introduction

Interpretation:

Percent change in [H+] has to be calculated.

Concept Introduction:

Formula to calculate pH is given as follows:

  [H+]=10pH

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