Chapter 11, Problem 23E

Interpretation Introduction

Interpretation: A reaction in which a stated amount of ${\text{PH}}_{\text{3}}$ is consumed to produce ${\text{P}}_{\text{4}}$ and ${\text{H}}_{\text{2}}$ is given. The rates of production of ${\text{P}}_{\text{4}}$ and ${\text{H}}_{\text{2}}$ are to be calculated.

Concept introduction: The rate of a reaction is defined as the decrease in the concentration of a reactant or the increase in the concentration of the product per unit time.