This chemistry experiment teaches you how to calculate the empirical formula of a compound by using molar ratios and mass calculations. By exploring the reaction between magnesium and oxygen, you can determine the empirical formula of the compound formed. The experiment involves heating magnesium ribbon with oxygen to produce magnesium oxide, recording the masses of the substances before and after the reaction, and calculating the molar ratios to determine the empirical formula. Learn about the procedure, requirements, and calculations involved in this experiment, and explore questions that will help you further understand the concept of empirical formulas.