Name:_____________________________________
Date: ____________________ Period: _________
Practice 8.2 - Advanced Mole Conversions
Part A - Review
1. Define Molar Mass:
2. Avogadro and the mole:
1 mole of atoms = _________________ atoms
1 mole of molecules = _________________ molecules
Part B - Mass to Atoms/Molecules
3. Convert 48g of Carbon into atoms
4. Convert 34.08g of Ammonia, NH3, into
molecules
Unit Plan:
Unit Plan:
Dimensional Analysis:
Dimensional Analysis:
5. How many molecules are contained in
103.4g of H2SO4?
6. A sample of FeCl3 has a mass of 26.29g.
How many molecules would this be?
Unit Plan:
Unit Plan:
Dimensional Analysis:
Dimensional Analysis:
Part C - Atoms/Molecules to Mass:
7. Convert 1.204 x 1024 atoms of Ni into
grams
8. Convert 1.8 x 1024 molecules N2 into grams
Unit Plan:
Unit Plan:
Conceptual Chemistry
Dimensional Analysis:
Dimensional Analysis:
9. If you have 3.25 x 1024 molecules of N2O5,
how many grams would that be?
10. What would be the mass of 9.03 x 1021
molecules of HBr acid?
Unit Plan:
Unit Plan:
Dimensional Analysis:
Dimensional Analysis:
Part D - More Practice...
11. Determine the mass of 3.14 x 1025
molecules of H2O2, hydrogen peroxide.
12. How many molecules of SiO2 are in a 252
gram sample?
Unit Plan:
Unit Plan:
Dimensional Analysis:
Dimensional Analysis:
Answer Key
1.21
83.75
28.09
1.20 x 1024
2.41 x 1024
502.31
117.38
1773.86
9.76x1022
6.35 x 1023
Conceptual Chemistry