A gas cylinder contains 12 x 1024 molecules of oxygen gas. If Avogadro' number is 6 x 1023. Calculate the volume of oxygen at .T.P. present in the cylinder. [O = 16]
The volume of one mole gas at STP = 22.4 l
20 mole of gas at STP will have the volume of oxygen
= 20 x 22.4 l
= 448 l
