Chapter 4, Problem 4.81QP

Interpretation Introduction

Interpretation: The consumed amount of ${\text{O}}_{\text{2}}$ in grams to precipitate all the iron in the given equation is to be calculated.

Concept introduction: Molarity (M) is defined as the number of moles of given solute in a liter of solution. Molarity defines the molar concentration of the compound.

It is calculated by the formula,

$M=\frac{n}{V}$

To determine: The consumed amount of ${\text{O}}_{\text{2}}$ in grams to precipitate all the iron in the given equation.