1. Bridge Stoichiometry WUP

2. 3 H 2 + N 2  NH 3 What mass of hydrogen is required to produce 76.5 g of ammonia?

3. 3 H 2 + N 2  2 NH 3 ? g 76.5 g 76.5 g NH 3 1 mol NH 3 3 mol H 2 2.02 g H 2 17.0g NH 3 2 mol NH 3 1 mol H 2 What mass of hydrogen is required to produce 76.5 g of ammonia? ans. 13.5 g

4. Questions from Stoichiometery WS C.Mass-Mole Problem When 25.4 grams of magnesium burn and combine with oxygen, how many moles of magnesium oxide are produced?

5. Questions from Stoichiometery WS C.Mass-Mole Problem When 25.4 grams of magnesium burn and combine with oxygen, how many moles of magnesium oxide are produced? ans. 4.1x10 2 g Al 2 O 3

6. Questions from Stoichiometery WS D. MASS-MASS 120.0 g of NaOH combined with an excess of HCl will produce how many grams of salt?

7. Questions from Stoichiometery WS D. MASS-MASS 120.0 g of NaOH combined with an excess of HCl will produce how many grams of salt? ans. 175.3 g NaCl g

8. Questions from Stoichiometery WS E. Volume-Mass 12.0 L of oxygen at STP are used when some propane burns to produce how many grams of water?

9. Questions from Stoichiometery WS E. Volume-Mass 12.0 L of oxygen at STP are used when some propane burns to produce how many grams of water? ans. 7.71 g H 2 O

10. Questions from Stoichiometery WS F. MASS-VOLUME 35.8 g of propane burn (combust and combine with oxygen) to produce what volume of CO 2 at STP?

11. Questions from Stoichiometery WS F. MASS-VOLUME 35.8 g of propane burn (combust and combine with oxygen) to produce what volume of CO 2 at STP? ans. 10.9 L of CO 2

12. Questions from Stoichiometery WS G. PARTICLES-MASS 2.83 X 10 24 formula units of sodium chloride decompose to form how many grams of sodium?

13. Questions from Stoichiometery WS G. PARTICLES-MASS 2.83 X 10 24 formula units of sodium chloride decompose to form how many grams of sodium? ans. 108 g Na

14. Questions from Stoichiometery WS H. VOLUME-PARTICLES 56.0 liters of oxygen at STP will combine with hydrogen to produce how many molecules of water?

15. Questions from Stoichiometery WS H. VOLUME-PARTICLES 56.0 liters of oxygen at STP will combine with hydrogen to produce how many molecules of water? ans. 3.01x10 24 molecules H 2 O