Chapter 16, Problem 83IAE

Interpretation Introduction

Interpretation:

The solutions which are not matching the given pH scale needs to be determined.

Concept introduction:

The pH scale refers to a measure of the basicity and the acidity of the solutions that contain water soluble substances. The pH values range from 1to 14. Below pH=7 are the acidic substances and substances having pH greater than 7 are said to be basic in nature.

pH is calculated from hydrogen ion concentration as follows:

$\text{pH}=-\log \left[{\text{H}}^{+}\right]$

Here, $\left[{\text{H}}^{+}\right]$ is hydrogen ion concentration.

Also,

$\text{pH}=14-\text{pOH}$

Where,

$\text{pOH}=-\log \left[{\text{OH}}^{-}\right]$

Here, $\left[{\text{OH}}^{-}\right]$ is hydroxide ion concentration.