Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
CK-12 Foundation
Ck 12: Chemistry: Empirical Formula
[Free Registration/Login may be required to access all resource tools.] Covers empirical formula.