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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

Could a buffered solution be made by mixing aqueous solutions of HCl and NaOH? Explain. Why isn’t a mixture of a strong acid and its conjugate base considered a buffered solution?

Interpretation Introduction

Interpretation:

The reason behind the mixture of a strong acid and its conjugate base not being considered as a buffered solution is to be explained.

Concept introduction:

A solution that resists a change in the pH on addition of an acid or an alkali is termed as a buffer solution.

Explanation

To determine: If the mixing of aqueous solutions of HCl and NaOH lead to a buffered solution and the reason behind the mixture of a strong acid and its conjugate base not being considered as a buffered solution.

The neutral salt formed by the mixture of HCl and NaOH will not be able to resist the change in the pH .

A buffer solution comprises of the mixture of a weak acid and its conjugate base or a weak base and its conjugate acid.

The mixture of HCl and NaOH forms a neutral salt

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