Chapter 3, Problem 3.32P

(a)

Interpretation Introduction

Interpretation:Moles of $\text{O}$ present in sample of ${\text{M}}_2{\text{O}}_3$ is to be calculated.

Concept introduction: The formula to convert moles to mass in grams is as follows:

  $\text{Mass}=\left(\text{Number of moles}\right)\left(\text{molar mass}\right)$

(b)

Interpretation Introduction

Interpretation:Mass of $\text{M}$ in sample of ${\text{M}}_2{\text{O}}_3$ is to be calculated.

Concept introduction: The formula to convert moles to mass in grams is as follows:

  $\text{Mass}=\left(\text{Number of moles}\right)\left(\text{molar mass}\right)$

(c)

Interpretation Introduction

Interpretation:Element represented by the symbol $\text{M}$ should be identified.

Concept introduction: The formula to convert moles to mass in grams is as follows:

  $\text{Mass}=\left(\text{Number of moles}\right)\left(\text{molar mass}\right)$