Chapter 5, Problem 86E

Interpretation Introduction

Interpretation:

The value of $\text{x}$ and $\text{y}$ in the given compound ${\text{Fe}}_{\text{x}}{\left({\text{NO}}_{\text{3}}\right)}_{\text{Y}}$ is to be found.

Concept Introduction:

Formula mass is defined as the total number of atomic masses of all atoms in its chemical formula.

The formula mass is defined by the given formula.

Formula mass = (atoms of first element in chemical formula $\times$ atomic mass of first atom) +$$ (atom of second element in chemical formula $\times$ atomic mass of second element)