2H2 (g) + O2(g)-------> 2H2O
1. How many liters of water can be made from 55g of O2 and excess hydrogen gas at STP?
2. What volume of hydrogen at STP is needed to react with 3 moles of Oxygen?
3. How many liters of water can be made from 55g of O2 and excess H2 at pressure of 12.4 atm and a temperature of 85C?