Question

2C6H6(g) + 15O2(g) = 12CO2(g) + 6H2O(g)

2.0 moles C6H6 reacts with oxygen according to the reaction above. What volume of water vapor forms at STP?

Answer 1

As per the reaction

2mol Benzene forms 6mol H_2O

We know at STP one mol of any gas weighs 22.4L

Volume of water

• 22.4(2)
• 44.8L