1. Additional Problem Sets
Chapter 10
Additional Problem
Sets

2. 10. 48 When 50. 0g iron(III) oxide reacts with carbon monoxide 32
10.48 When 50.0g iron(III) oxide reacts with carbon monoxide 32.8 g iron is produced. What is the percent yield of the reaction? Fe2O3 + 3 CO → 2 Fe + 3 CO2

3. 10. 49 A reaction of nitrogen and sufficient hydrogen produced 30
10.49 A reaction of nitrogen and sufficient hydrogen produced 30.0 g ammonia, which is a 65.0 % yield for the reaction. How many grams of nitrogen reacted? N2 + 3 H2 → 2 NH3

4. 10.50 Consider the unbalanced equation for the decomposition of potassium chlorate.
KClO3 → KCl O2
a) When 46.0 g KClO3 is heated, 12.1 g O2 is formed. How many grams of KCl is also formed?

5. 10.50 cont. b) What is the percent yield of KCl for the reaction?

6. 10.51 Acetylene, C2H2, used in welders’ torches, burns according to the following equation:
2 C2H O2 → 4 CO H2O
a) How many molecules of oxygen are needed to react with 22.0 g acetylene?

7. 2 C2H O2 → 4 CO H2O
b) How many grams of carbon dioxide could be produced from the complete reaction of the acetylene in part a, 22.0 g?

8. 2 C2H O2 → 4 CO H2O
c) If the reaction in part a produces 64.0 g CO2, what is the percent yield for the reaction?