A: 2H2+O2=2H2O 4 32 1 X The solution is: x = 8kg I want to know the reason why I do this! At the Shanghai World Expo, 100 fuel cell sightseeing vehicles are active in the Expo site. They rely on the reaction of hydrogen and oxygen to provide energy (1) How many kilos of oxygen is needed to burn 1kg of hydrogen?

A: 2H2+O2=2H2O 4 32 1 X The solution is: x = 8kg I want to know the reason why I do this! At the Shanghai World Expo, 100 fuel cell sightseeing vehicles are active in the Expo site. They rely on the reaction of hydrogen and oxygen to provide energy (1) How many kilos of oxygen is needed to burn 1kg of hydrogen?

Let the mass of oxygen be X
2h2 + O2 ignites. 2H2O
4 32
1000g x
432=1000gx
X = 8000g oxygen = 8000g32g / mol = 250mol