1. Unit 4
Stoichiometry
Stoichiometry, mol-mol
Stoich. , volume-volume
Stoich. , mass-mass
Stoich. , mixed
Limiting reactant

2. Stoichiometry, mol-mol
moles
Use Mole-Mole ratio
moles

3. mass
gas volume
particles
moles
Use Mole-Mole ratio
moles

4. moles moles mass gas volume particles Use Molar Mass Use 22.4 L/mol
Use Avogadro’s Number
moles
Use Mole-Mole ratio
moles

5. moles Steps in stoichiometry problem (write) mass gas volume particles
Use Molar Mass
particles
Use 22.4 L/mol
Use Avogadro’s Number
moles

6. moles moles Steps in stoichiometry problem mass gas volume particles
Use Molar Mass
particles
Use 22.4 L/mol
Use Avogadro’s Number
moles
Use Mole-Mole ratio
Use Avogadro’s Number
moles
Use 22.4 L/mol
Use Molar Mass
gas volume
particles
mass

7. moles moles Steps in stoichiometry problem N2 + 3H2  2NH3 mass
gas volume
Use Molar Mass
particles
Use 22.4 L/mol
Use Avogadro’s Number
moles
N H2  2NH3
Use Mole-Mole ratio
Use Avogadro’s Number
moles
Use 22.4 L/mol
Use Molar Mass
gas volume
particles
mass

8. moles moles Steps in stoichiometry problem N2 + 3H2  2NH3 mass
gas volume
particles
moles
N H2  2NH3
moles
gas volume
particles
mass

9. moles moles Steps in stoichiometry problem mass gas volume particles

10. N H2  NH3