If 2.98 moles of hydrogen react completely, how many moles of oxygen will be required for the reaction? 2. If 0.99592 moles of water form from the reaction of hydrogen and oxygen, how many moles of oxygen were required?
3. If 6.2 moles of nitrogen react with hydrogen, how many moles of ammonia (NH3) will be created?
4. If 0.8905 moles of hydrogen react to make ammonia, how many moles of nitrogen are required for the reaction?
5. If 6.2 moles of carbon dioxide are formed from the combustion of propane (C
3H8), how many moles of oxygen are required for the reaction?

6. If 6.9 moles of water are formed in the combustion of propane, how many moles of carbon dioxide are also formed?