Chapter 9, Problem 12E

Interpretation Introduction

Interpretation:

The numbers of moles of barium metal and nitrogen gas which are required to form $0.100\text{mol}$ of barium nitride in the reaction of barium metal with nitrogen gas are to be calculated.

Concept introduction:

A mole of atoms or molecules is described as an amount whose mass corresponds to its gram atomic mass or molecular mass. The mole makes it possible to count the atoms or molecules number in a compound.