Chapter 4, Problem 86E

(a)

Interpretation Introduction

Interpretation:In the reaction between potassium permanganate and the solution containing ${\text{Fe}}^{2+}$ ions , the concentration of the ${\text{Fe}}^{2+}$ ions is to be calculated

Concept introduction:The balanced redox reactionsare helpful in determining the molarity of the elements present in the reaction. The molarity of a chemical compound is obtained from moles of that compound to volume of the solution.

The formula to calculate the molarity is as follows.

  $\text{Molarity}=\frac{\text{Moles}\left(\text{mol}\right)}{\text{Volume}\left(\text{L}\right)}$

(b)

Interpretation Introduction

Interpretation:In the reaction between potassium dichromate and the solution containing ${\text{Fe}}^{2+}$ ions, the volume of potassium dichromate is to be calculated

Concept introduction:The balanced redox reactions are helpful in determining the molarity of the elements present in the reaction. The molarity of a chemical compound is obtained from moles of that compound to volume of the solution.

The formula to calculate the molarity is as follows.

  $\text{Molarity}=\frac{\text{Moles}\left(\text{mol}\right)}{\text{Volume}\left(\text{L}\right)}$