   Chapter 15, Problem 11Q

Chapter
Section
Textbook Problem

# A best buffer has about equal quantities of weak acid and conjugate base present as well as having a large concentration of each species present. Explain.

Interpretation Introduction

Interpretation:

An explanation for the fact that a best buffer has about equal quantities of a weak acid and conjugate base present as well as having a large concentration of each species present is to be stated.

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.

To determine: An explanation for the fact that a best buffer has about equal quantities of a weak acid and conjugate base present as well as having a large concentration of each species present.

Explanation

Explanation

The weaker the acid in a buffer solution, the more number of H+ can be absorbed by the buffer without a change in the pH .

In case of a buffer solution, the weaker the acid or the conjugate base, the more number of H+ or OH can be absorbed by the buffer without the pH getting affected

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