Stoichiometry

GSE Chemistry Standards:

SC3. Obtain, evaluate, and communicate information about how the Law of Conservation of Matter is used to determine chemical composition in compounds and chemical reactions. 

c. Use mathematics and computational thinking to apply concepts of the mole and Avogadro’s number to conceptualize and calculate 

• percent composition 

• empirical/molecular formulas 

• mass, moles, and molecules relationships 

• molar volumes of gases 

d. Use mathematics and computational thinking to identify and solve different types of reaction stoichiometry problems (i.e., mass to moles, mass to mass, moles to moles, and percent yield) using significant figures. 

e. Plan and carry out an investigation to demonstrate the conceptual principle of limiting reactants.

Learning Targets:

1. I can find the molar proportions of the reactants and products in a balanced chemical equation.

2. I can use the molar relationships/proportions in a balanced chemical equation to find the mass of product formed in a chemical reaction that goes to completion (theoretical yield).

3. I can use molar relationships/proportions in a balanced chemical equation to find the limiting reactant and total yield of product made.

4. I can determine the percent yield of a reaction using actual yield and theoretical yields.

PhET Simulations for Activities