Chapter 3, Problem 126E

Interpretation Introduction

Interpretation: The amount of ${\text{F}}_{\text{2}}$ required for the production of the given amount of ${\text{PF}}_{\text{3}}$ is to be calculated.

Concept introduction: The mass of a substance can be obtained by using the number of moles of the substance present and its molar mass. The formula used to calculate the mass of a given substance is,

$\text{Mass}\text{of}\text{the}\text{substance}=\left(\text{Number}\text{of}\text{moles}\right)\times \left(\text{Molar}\text{mass}\text{of}\text{the}\text{substance}\right)$

To determine: The amount of ${\text{F}}_{\text{2}}$ needed to produce the given amount of ${\text{PF}}_{\text{3}}$.