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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

Two drops of indicator HIn (Ka = 1.0 × 10−9), where HIn is yellow and In is blue, are placed in 100.0 mL of 0.10 M HCl.

a. What color is the solution initially?

b. The solution is titrated with 0.10 M NaOH. At what pH will the color change (yellow to greenish yellow) occur?

c. What color will the solution be after 200.0 mL NaOH has been added?

(a)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0mL solution of 0.10M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Explanation

Explanation

The indicator used is given to be yellow in color.

After two drops of this are added to ...

(b)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0mL solution of 0.10M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(c)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0mL solution of 0.10M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

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