1. Finding quantities in chemical reactions
Stoichiometry
Finding quantities in chemical reactions

2. C3H > 3CO2 + 4H2O
If there are two moles of oxygen available, which mole ratio will tell you how much water is produced?
A: 4 mol H20/1 mol O2 B: 5 mol O2/4 mol H2O

3. C3H > 3CO2 + 4H2O
If there are 10 moles of C3H8, which mole ratio will tell you how much oxygen is required for the reaction to take place?
A: 1 mol C3H8/5 mol O2 B: 5 mol O2/3 mol C3H8

4. C3H > 3CO2 + 4H2O
Which ratio will tell you how much water is produced from the combustion of .5 moles of C3H8?
A: 1 mol C3H8/4 mol H2O B: 2 mol H2O/1 mol C3H8

5. 4Al + 3O2 --> 2Al2O3
Which mole ratio describes how much oxygen is required to produce 10 moles of product?
A: 2 mol Al2O3/3 mol O2 B: 3 mol O2/3 mol Al2O3

6. 4Al + 3O2 --> 2Al2O3
Which mole ratio tells you how much product is produced from three moles of aluminum?
A: 2 mol Al2O3/4 mol Al B: 3 mol Al/2 mol Al2O3

7. ZnO + 2HCl --> ZnCl2 + H2O
Which mole ratio tells you how to find the amount of water produced from two moles of zinc oxide?
A: 1 mol H2O/1 mol ZnO B: 1 mol ZnO/1 mol H2O

8. ZnO + 2HCl --> ZnCl2 + H2O
Which mole ratio tells you have to find how much HCl is required to get 8 moles of ZnCl2?
A: 4 mol HCl/1 mol ZnCl2 B: 1 mol ZnCl2/2 mol HCl

9. ZnO + 2HCl --> ZnCl2 + H2O
Classify the above reaction.
A: synthesis B: decomposition C: single replacement D: double replacement E. combustion

10. 2H2O2  2H2O + O2
Given 1.34 mol H2O2 find moles of O2

11. 2H2O2  2H2O + O2
Given 1.34 mol H2O2 find moles of water

12. Fe2O3 + 2Al  2Fe + Al2O3
3.30 mol Fe2O3 find moles of Al

13. Fe2O3 + 2Al  2Fe + Al2O3
3.30 mol Fe2O3 find moles of iron

14. Fe2O3 + 2Al  2Fe + Al2O3
3.30 mol Fe2O3 find moles of aluminum oxide