Chapter 7, Problem 7.63UTC

Interpretation Introduction

(a)

Interpretation:

Molecular formula of model 1 and 2 Concept Introduction:

Molecular formula represents the number of atoms of an element present within a compound.

Interpretation Introduction

(b)

Interpretation:

Empirical formula of model 1 and 2

Concept Introduction:

Empirical formula represents the simplest ratio of atoms of elements in a compound.

Interpretation Introduction

(c)

Interpretation:

Molar mass of model 1 and 2

Concept Introduction:

Molar mass is calculated by adding the atomic mass of each element in the compound.

Interpretation Introduction

(d)

Interpretation:

Mass percent composition of model 1 and 2 Concept Introduction:

  $\text{Mass percent = }\frac{\text{mass of element}}{\text{molar mass of compound}}\times 100\%$