Chapter 9, Problem 55APP

(a)

Interpretation Introduction

Interpretation : The number of moles of reactant needed to produce 4.00 mol of HF should be calculated.

Concept Introduction : A chemical reaction involves the formation of some new product molecules with the help of some reactant molecules either by bond making or bond breaking.

The moles and grams of reactant and product can be calculated with the help of mole concept.

(b)

Interpretation Introduction

Interpretation : The mass of ${\text{F}}_{\text{2}}$ required to react with 25.5 g of ammonia should be calculated.

Concept Introduction : A chemical reaction involves the formation of some new product molecules with the help of some reactant molecules either by bond making or bond breaking.

The moles and grams of reactant and product can be calculated with the help of mole concept.

(c)

Interpretation Introduction

Interpretation : The mass of ${\text{N}}_{\text{2}}{\text{F}}_{\text{4}}$ produced from 3.40 g of ammonia should be calculated.

Concept Introduction : A chemical reaction involves the formation of some new product molecules with the help of some reactant molecules either by bond making or bond breaking.

The moles and grams of reactant and product can be calculated with the help of mole concept.