Chapter 5, Problem 5.90P

Interpretation Introduction

(a)

Interpretation:

The grams of NaOH formed from 3.0 moles of Na should be determined.

Concept Introduction:

The formula used to determine the number of moles is:

  $\text{Moles = }\frac{\text{Mass in g}}{\text{Molar mass (g/mol)}}$

Interpretation Introduction

(b)

Interpretation:

The grams of ${\text{H}}_{\text{2}}$ formed from 0.30 moles of Na should be determined.

Concept Introduction:

The formula used to determine the number of moles is:

  $\text{Moles = }\frac{\text{Mass in g}}{\text{Molar mass (g/mol)}}$

Interpretation Introduction

(c)

Interpretation:

The grams of ${\text{H}}_{\text{2}}\text{O}$ needed to react with 0.20 moles of Na should be determined.

Concept Introduction:

The formula used to determine the number of moles is:

  $\text{Moles = }\frac{\text{Mass in g}}{\text{Molar mass (g/mol)}}$