Modern Chemistry, Lesson 10: Molecules and Their Weights

Duration: 30 min

Creator: Encyclopaedia Britannica Educational Corporation

Description: Explains that formula weights, whenever formulas represent molecules, can be calculated simply by adding the symbol weights. Calculations are illustrated for oxygen, gas, ozone, water, methane, and others. The percentage composition is calculated for methane, nitrous oxide, and ethyl alcohol.

Metadata Source:Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education)