A vessel contains equal number of moles of helium and methane. Due to a hole in thevessel, half of thegaseous mixture effused out. What is theratioof the number of moles of helium and methane remaining in the vessel?

A vessel contains equal number of moles of helium and methane. Due to

1.	A vessel contains equal number of moles of helium and methane. Due to a hole in thevessel, half of thegaseous mixture effused out. What is theratioof the number of moles of helium and methane remaining in the vessel?
Answer» Solution :(i) relation between molecular WEIGHT and rate of effusion (II) determination of the ratio of the NUMBER ofmolecules of helium and methane which are effused out (iii) CALCULATION of the ratio of the remaining molecules (iv) `(2x)/3` moles