Chapter 12, Problem 12.18P

(a)

Interpretation Introduction

Interpretation:

Values of $\left[{\text{Mn}}^{2+}\right]$ and $\left[{\text{OH}}^{-}\right]$ as well as $\text{pH}$ using solubility product have to be calculated.

Concept Introduction:

Formula to calculate $\text{pH}$ is as follows:

  $\text{pH}=-\text{log}\left(\frac{K_{\text{w}}}{\left[{\text{OH}}^{-}\right]}\right)$

Here,

$\left[{\text{OH}}^{-}\right]$ denotes concentration of ${\text{OH}}^{-}$ ion.

$K_{\text{w}}$ denotes ionic product.

(b)

Interpretation Introduction

Interpretation:

Values of $\left[{\text{Mn}}^{2+}\right]$ and $\left[{\text{OH}}^{-}\right]$ in presence of $\text{0}{\text{.075 M NaClO}}_4$ and $\text{pH}$ has to be calculated.

Concept Introduction:

Refer to part (a).