A gaseous mixture of H and He in the mass ratio 1 4 is

Last updated: 7/4/2023

A gaseous mixture of H and He in the mass ratio 1 4 is successively effused through a series of containers connected through narrow tubes of negligible volume and fitted wit valves The valves are successively opened for a very small time interval Find the minimum number of effusion steps required to obtain a molar ratio 8 1 for H and He after the effusion process