Chemistry · Some Basic Concepts of Chemistry

A metal forms two oxides. In one oxide, \( 1.0\text{ g} \) of the metal combines with \( 0.266\text{ g} \) of oxygen. In the other oxide, \( 1.0\text{ g} \) of the metal combines with \( 0.400\text{ g} \) of oxygen. This observation illustrates the:

1. A
   Law of Definite Proportions
2. B
   Law of Multiple Proportions
3. C
   Law of Conservation of Mass
4. D
   Gay Lussac's Law of Gaseous Volumes