Page 1
What is the molar mass of Calcium Chloride (CaCl2) (to the nearest
tenth!)?
111.1g/mol
Page 2
If you have exactly one mole each of Carbon Monoxide and Carbon
Dioxide, which has a greater mass?
Which has greater quantity of molecules??
CO2
Same!
Page 3
Conversions with Moles
Page 4
MOLE MASS# of
Representative Particles
Need to use:
Avogadro’s
Number
6.02X1023
Need to use:Molar Mass
(from Periodic Table)
Page 5
Avogadro’s Number
Molar Mass
Both
How many atoms in 0.250mol of Silver?
Page 6
Avogadro’s Number
Molar Mass
Both
If you have 30g of H3PO4, how many
moles is that?
Page 7
Avogadro’s Number
Molar Mass
Both
How many moles are in 3.4X1026 atoms of Gold?
Page 8
Avogadro’s Number
Molar Mass
Both
How many molecules in 1.2mol
of Nitrogen?
Page 9
Avogadro’s Number
Molar Mass
Both
How moles in 1.1g of FeCl3?
Page 10
Avogadro’s Number
Molar Mass
Both
What is the mass of 3.2mol H2O?
Page 11
Avogadro’s Number
Molar Mass
Both
How many molecules of water
are in 36.0g of water?
Page 12
Avogadro’s Number
Molar Mass
Both
How many moles in 564g of Copper?
Page 13
Avogadro’s Number
Molar Mass
Both
How many atoms in 564g of Copper?
Page 14
Avogadro’s Number
Molar Mass
Both
How many grams in 4moles of Cu(CN)2?
Page 15
Avogadro’s Number
Molar Mass
Both
How many moles in 89grams of Lead
(IV) Acetate?
Page 16
Avogadro’s Number
Molar Mass
Both
What is the mass of 2.3X1024 atoms of
silver?
Page 17
Avogadro’s Number
Molar Mass
Both
How many moles in 8.9X1025 molecules
of carbon tetrachloride?
Page 18
Avogadro’s Number
Molar Mass
Both
Mass of 0.425mol N2?
Page 19
Avogadro’s Number
Molar Mass
Both
How many grams in 9.03X1023 atoms of
Calcium?
Page 20
Avogadro’s Number
Molar Mass
Both
What is the mass of 3.0mol water?
Page 21
Avogadro’s Number
Molar Mass
Both
2mol of Fe is how many atoms?
Page 22
Avogadro’s Number
Molar Mass
Both
207g of Fe is how many atoms?
Page 23
Avogadro’s Number
Molar Mass
Both
1.204X1024 formula units of sodium
chloride has what mass?
Page 24
Avogadro’s Number
Molar Mass
Both
102g of CO2 = ?mol