Chapter 6, Problem 21QP

(a)

Interpretation Introduction

Interpretation:

The mass of ${\text{O}}_2$ reacted with $\text{Na}$ is to be found if, $\text{Na}$ , on keeping in air, gains $2.05\text{ g}$ of mass due to reaction with oxygen.

(b)

Interpretation Introduction

Interpretation:

The mass of $\text{Na}$ reacted with $2.05\text{ g}$ oxygen is to be determined.

(c)

Interpretation Introduction

Interpretation:

The mass of ${\text{Na}}_2\text{O}$ formed when $2.05\text{ g}$ of ${\text{O}}_2$ reacts with sodium is to be determined.