Chapter 14, Problem 99AE

Interpretation Introduction

Interpretation:

A sample of certain monoprotic weak dissolved in water and titrated with $0.125\text{M}$ $\text{NaOH}$ is given. The $\text{pH}$ value after the addition of a given amount of $\text{NaOH}$ is given. The value of $K_{\text{a}}$ for the weak acid is to be calculated.

Concept introduction:

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