Chapter 8, Problem 8.81QP

Interpretation Introduction

Interpretation: the empirical formula and name of the compound in the given reaction system should be determined when the 0.273g of Mg heated to form 0.378g compound containing Mg and N in the given process.

Concept introduction:

• The ratio between the atoms of an element decides the compound formation.  .
• Equation for Number of moles of a substance, from its given mass is,

$\text{Number of moles}\text{=}\frac{\text{Given}\text{mass}}{\text{Molar}\text{mass}}$

• Empirical formula of a compound represents the smallest whole number relative ratio of elements in that compound.