PowerPoint Presentation - Empirical Formula

Stoichiometry and the percentage composition

of three possible magnesium oxides

Possible Oxides

MgxOy

Mg

O

MgO

60.3 %

39.7 %

MgO2

43.2 %

56.8 %

Mg2O

75.2 %

24.8 %

Mg = 60.3%

and

O = 39.7%

and the unknown oxide is MgO