Chapter 7, Problem 5PE

Interpretation Introduction

Interpretation:

The number of mole present in $765\text{mg}$ of phosphorus trichloride is to be calculated.

Concept introduction:

A mole of a substance is defined as the same number of particles of the substance as present in $12\text{g}$ of ${}^{12}\text{C}$. The number of molecules present in one mole of a substance is $6.023\times {10}^{23}$ molecules.