Chapter 16, Problem 89E

Interpretation Introduction

Interpretation:

The ${\text{pK}}_{\text{a}}$ value of the given weak acid in the given solution is to be calculated.

Concept introduction: The ${\text{pK}}_{\text{a}}$ value of the given acid in the buffer solution is calculated by the formula,

   $\text{pH}={\text{pK}}_{\text{a}}+\log \frac{\left[\text{Conjugate}\text{Base}\right]}{\left[\text{Acid}\right]}$

To determine: The ${\text{pK}}_{\text{a}}$ value of the given weak acid.