Chapter 16, Problem 16.6VP

Interpretation Introduction

Interpretation: The $\text{p}{K}_{\text{a}}$ value of weak acid is to be calculated.

Concept introduction: The potential of ${\text{H}}^{\text{+}}$ ions is called as $\text{pH}$ and the potential of ${\text{OH}}^{-}$ ions is called as $\text{pOH}$. The value of $\text{pH}$ is less than $7$ for acidic solutions and greater than $7$ for basic solutions. For neutral solution the value of $\text{pH}$ is $7$. The $\text{p}{K}_{\text{a}}$ value of weak acid is calculated by the formula,

$\text{p}{K}_{\text{a}}=-{\log }_{10}{K}_{\text{a}}$

To determine: The $\text{p}{K}_{\text{a}}$ value of weak acid.