Chemical Changes and Structure
Mass, Volume and Concentration
NAT 5 Homework One
1. Calculate the gram formula mass of ammonia (NH3).
2. Calculate the gram formula mass of phosphorus trioxide.
3. Calculate the gram formula mass of sodium chloride.
4. Calculate the gram formula mass of magnesium carbonate.
5. Calculate the gram formula mass of 0.5 moles of CO.
6. How many moles are present in 1g of calcium bromide?
7. How many moles are present in 25g of calcium carbonate?
8. How many moles are present in 1.43g of copper(I) oxide?
9. Calculate the mass of 0.2 moles of ammonium chloride.
10. Calculate the mass of 0.1 moles of aluminium hydroxide.