1. II. Molar Conversions

2. A. Molar Mass
Find the mass of one mole of the following atoms/compounds (molar mass)
1 mole of H2O =
1 mole of CO2 =
1 mole of H3PO4 =

3. B. Grams  Moles
How many moles is 350 g of CO 1 mole CO =_________g

4. B. Grams  Moles
What is the mass of 6.8 moles of MgCl2 1 mole MgCl2=__________g

5. C. Grams MolesParticles
How many particles are there in 24 g of FeF3? (hint: write two unit conversions before solving) 1 mole of FeF3 = 1 mole =

6. C. Grams MolesParticles
How many molecules are there in 200 g of CCl4? (hint: write two unit conversions before solving) 1 mole of CCl4 = _______ 1 mole =

7. C. Grams MolesParticles
How many grams of H2 are in 9.4 x 1025 molecules of H2? (hint: write two unit conversions before solving) 1 mole of H2 = 1 mole =

8. 0°C and 1 atm D. Gases at STP* STP = Standard Temperature and Pressure
At STP, 1 mole of any ideal gas will occupy exactly 22.4 L
1 mole = 22.4 L

9. E. Moles  Liters (assume STP*)
What is the volume of 0.05 mol of Ne?
1 mole =

10. E. Moles  Liters (assume STP*)
How many moles are in 11.2 L of argon gas?
1 mole =

11. F. Find the Molar Mass
A 4.8-mole sample of an unknown compound has a mass of 192 g. Find the molar mass of the compound.
Units for molar mass = ___ /___

12. F. Find the Molar Mass
A 12.5-L sample of an unknown at STP has a mass of 8.0 g. Find the molar mass of the compound.
Units for molar mass = ___ /___
1 mole =