The ratio of the rate of diffusion of helium and methane under identical condition of pressure and temperature will be___.
4
2
1
0.5
rHerCH4=√MCH4MHe⇒√(164)⇒2
If methane and helium are allowed to diffuse out of a container under identical conditions of temperature and pressure, the ratio of rate of diffusion of methane to helium is: