Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Determination of Empirical and Molecular Formulas:
Listen as this audio book shows the determination of empirical and molecular formulas. View the formula to calculate empirical and molecular formulas and the written steps for calculating.
Clackamas Community College
Clackamas Community College: Predicting Formulas
Using Lewis diagrams for predicting the formulas of compounds, with links to examples and practice problems.