1. Consider the reaction, C3H8 + 5 O2 => 3 CO2 + 4 H2O.
How many moles of H2O will be made along with 164.2 grams of CO2?
2. Consider the reaction, 4 NH3 + 5 O2 => 4 NO + 6 H2O
How many grams of H2O will be made with 22.3 moles of NO?
3. Consider the reaction, 4 NH3 + 5 O2 => 4 NO + 6 H2O
How many molecules of NO will be made from 13.2 moles of O2?
4. Consider the reaction, 2 Al + 6 HCl => 2 AlCl3 + 3 H2
How many molecules of H2 will made with 12.1 moles of AlCl3?
5. 7.66 g of a substance X contain 1.39 x 1022 molecules of X. Calculate the molar mass of X in g/mol.
6. Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown:
CaCN2 + 3 H2O => CaCO3 + 2 NH3.
How many grams of calcium cyanamide are required to react with 190.0 g of water?
7. Consider the following reaction: 2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O
How many grams of B2O3 are made by the reaction of 363.3 g of B5H9?
8. Consider the following reaction: 2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O
How many molecules of H2O are made at the same time as 223.3 g of B2O3?
9. Consider the following reaction: 2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O
How many molecules of B2O3 are made by the reaction of 124.8 g of B5H9?
10. Consider the reaction, 3 H2(g) + N2(g) => 2 NH3(g).
How many grams of NH3 will be made by the reaction of 40 moles of H2(g) with 4 moles of N2(g)?