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| Title: | Stoichiometry Objectives |
| Description: | Learning Objectives/Targets
STOICHIOMETRY
INTERPRETING A CHEMICAL EQUATION
• To relate the coefficients in a balanced chemical equation to:
(a) moles of reactants and products
(b) liters of gaseous reactants and products
MOLE-MOLE RELATIONSHIPS
• To relate the number of moles of two substances in a balanced chemical equation.
TYPES OF STOICHIOMETRY PROBLEMS
• To classify the three basic types of stoichiometry problems; mass-mass, mass-volume, and volume-volume.
• To state the procedure for solving a stoichiometry problem, given the balanced equation.
MASS-MASS PROBLEMS
• To perform mass-mass stoichiometry calculations.
MASS-VOLUME PROBLEMS
• To perform mass-volume stoichiometry calculations.
VOLUME-VOLUME PROBLEMS
• To perform volume-volume stoichiometry calculations.
THE LIMITING REACTANT CONCEPT
• To explain the concept of a limiting reactant.
• To identify the limiting reactant in a chemical reaction, given the number of moles of each reactant.
LIMITING REACTANT PROBLEMS
• To perform mass-mass stoichiometry calculations involving a limiting reactant.
• To perform volume-volume stoichiometry calculations involving a gaseous limiting reactant.
PERCENT YIELD
• To calculate the percent yield for a reaction, given the actual yield and theoretical yield.
BACKGROUND INFORMATION
Avogadro’s Number
• To state the value of Avogadro’s number: 6.02 x 1023.
• To state the mass of Avogadro’s number of atoms for any element by referring to the periodic table.
Mole Calculations I
• To relate the moles of a substance to the number of particles.
Molar Mass
• To calculate the molar mass of a substance, given its chemical formula.
Mole Calculations II
• To relate the mass of a substance to the number of particles.
Molar Volume
• To state the value for the molar volume of any gas at STP: 22.4 L/mol.
• To relate the density of a gas at STP to its molar mass and volume.
Mole Calculations III
• To relate the volume of a gas at STP to its mass and number of particles.
Percent Composition
• To calculate the percent composition of a compound, given its chemical formula.
Empirical Formula
• To calculate the empirical formula of a compound, given experimental data for its synthesis.
• To calculate the empirical formula of a compound, given its percent composition.
Molecular Formula
• To calculate the molecular formula of a compound, given its empirical formula and molar mass.
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