1. Problem #1 For the reaction 2 H 2(g) + O 2(g)  2 H 2 O (g), how many liters of water can be made from 5 L of oxygen gas and an excess of hydrogen?

2. Problem #2 How many liters of water can be made from 55 grams of oxygen gas and an excess of hydrogen at STP?

3. Problem #3 How many grams of carbon monoxide are needed to react with an excess of iron III oxide to produce 591g of iron along with some carbon dioxide.

4. Problem #4 A 500g sample of aluminum sulfate is reacted with 450g of calcium hydroxide. A total of 586g of calcium sulfate is produced in the laboratory in a double displacement reaction. What is the limiting reactant? Percent Yield