Chapter 2, Problem 2.73QE

(a)

Interpretation Introduction

Interpretation:

Molecular mass of ${\text{C}}_{\text{4}}{\text{H}}_{\text{6}}\text{O}$ has to be calculated.

Concept Introduction:

Each and every element has its own atomic mass.  In a molecule, the sum of atomic mass of all atoms that is present is known as the molecular mass.  The units used for expressing molecular mass is atomic mass units ($\text{u}$).

(b)

Interpretation Introduction

Interpretation:

Molecular mass of ${\text{NOCl}}_{\text{2}}$ has to be calculated.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

Molecular mass of ${\text{N}}_{\text{2}}{\text{O}}_{\text{3}}$ has to be calculated.

Concept Introduction:

Refer part (a).