Exploring Chemical Analysis
Exploring Chemical Analysis
5th Edition
ISBN: 9781429275033
Author: Daniel C. Harris
Publisher: Macmillan Higher Education
Question
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Chapter 9, Problem 9.21P

(a)

Interpretation Introduction

Interpretation:

Color of cresol red at pH equal to 0 has to be determined.

Concept Introduction:

Cresol red has two transition pH ranges that are 0.21.8 and 7.28.8. In acid, its color changes to red and in base color becomes yellow Equivalence point is a point in a titration at which titrant added is enough to neutralize amount of analyte solution.

(b)

Interpretation Introduction

Interpretation:

Color of cresol red at pH equal to 1 has to be determined.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Color of cresol red at pH equal to 6 has to be determined.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Color of cresol red at pH equal to 9 has to be determined.

Concept Introduction:

Refer to part (a).

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