|P.O. Box 219 Batavia, IL 60510
The Chemical Abstracts Services database keeps track of the millions of known chemical compounds found in nature or synthesized in the lab. How is it possible to identify so many different compounds and tell them apart? With the Magnesium Oxide: Percent Composition and Empirical Formula—ChemTopic™ Lab Activity, explore one example and determine the percent composition and empirical formula of magnesium oxide.