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Worksheet
Curated OER

Chemical Calculations and Chemical Formulas

For Students 11th - 12th
In this stoichiometry instructional activity, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
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Lesson Plan
Chymist

Determination of the Volume of CO2 in Pop Rocks

For Students 9th - 12th
Where does the pop in pop rocks come from? An engaging activity asks scholars to measure the amount of carbon dioxide in a package of Pop Rocks candy. Learners dissolve the candy in water and use the solubility of CO2 to determine its mass.
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Worksheet
Curated OER

Chemistry Lab: Solubility Product Constant of Sodium Chloride

For Students 10th - Higher Ed
In this solubility product constant of sodium chloride learning exercise, students gather the equipment needed and follow the procedures to determine the solubility product constant of a solute and demonstrate precipitation of a common...