All: Study! Here are some extra stoich problems for you to study from. I'll be in 3K3 tomorrow morning.
1) Hydrogen and oxygen react under a specific set of conditions to produce water:
2H2 + O2 --------> 2H2O
a) How many moles of hydrogen would be required to produce 15.0 mol water?
b) How many grams of oxygen would be required to do the same?
2) If 4.50 mol of ethane, C2H6, undergo combustion according to the following:
C2H6 + O2 ---------> CO2 + H2O
a) How many moles of oxygen are required?
b) What mass (in grams) of each product is produced?
Answers: 1a) 15.0 mol hydrogen, 1b) 240 g oxygen, 2a) 15.8 mol oxygen, 2b) 396 g carbon dioxide and 243 g of water.