A black solid is analyzed in two separate experiments

CHEMISTRY · Subjective · CBSE · Chemistry · Some Basic Concepts of Chemistry · Some Basic Concepts of Chemistry

Problem

A black solid is analyzed in two separate experiments. In the first, the mass ratio of iron to oxygen is

0.875{:}1

. In the second, the ratio is

1.25{:}1

. Explain why these two results indicate that the solids produced in the two experiments are not the same compound.