2.2: Molar Mass
1. What is the difference between molar mass and atomic mass units (amu, what
we use for atomic mass)?
2. Write out the conversion factors you would use when converting between moles
and grams for the following substances:
a. Titanium
b. Lead
c. Nitrogen gas (N₂)
d. Potassium bromide (KBr)
e. Lithium Oxide (Li₂O)
f. Gallium Sulfate Ga₂(SO3)3
Examples:
3. If you have 35.5 grams of aluminum, how many moles of it do you have?
4. What is the mass in grams of 1.42 moles of NaCI?
Practice Problems:
5. What is the mass in grams of 6.31 moles of copper metal?
6. You have 123…etc