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2b. Moles/Stoichiometry: Chemical Formulas Resources

Empirical and Molecular Formulas (ChemWeb)


Empirical Formulas (Internet Science Room)
Molecular and empirical formulas are sometimes but not always the same. Sample calculations and practice problems.

Formulas (CHEMystery)
Brief explanation of formulas, empirical formulas, and ions.

Formulas of Binary Compounds (Internet Science Room)
Describes the basics of writing formulas. Includes oxidation numbers, subscripts, and polyatomic ions.

The Mole and Chemical Formulas (Gwen Sibert)
Brief review of mole, atomic mass, molar (formula) mass, and empirical and molecular formulas.



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