Hydrogen diffuses six times faster than gas `A`. The molar mass of gas `A` is

Hydrogen diffuses six times faster than the gas A. The molar mass of gas A is

Hydrogen diffuses 6 times faster than the gas X, the molecular weight of X is

CH_4 diffuses two times faster than a gas X. The number of molecules present in 32 g of gas X is (N is Avogadro number)

The rate if diffusion of methane at a given temperature is twice that of a gas X. The molar mass of the gas X is.

A gas diffuses 1//5 times as fas as hydrogen. Its molar mass is :

An unknown gas 'X' diffuses four times as quickly as oxygen. The molar mass of the unknown gas is :