Equal masses of H _ 2( ~g ) and He _ ( g ) are enclosed in a container at constant temperature. The ratio of partial pressure of H ₂ to He is

Step-by-step solution

Let the mass be ' x '. n _ H ₂ = xg 2 ~g ~mol ⁻¹ = x 2 aligned & n _ He = xg 4 ~g ~mol ⁻¹ = x 4 & n _ Total = 3 x 4 aligned Now, aligned & x_ H ₂ = n n _ Total = x / 2 3 x / 4 = 2 3 & x_ H _e = n n _ Total = x / 4 3 x / 4 = 1 3 aligned Now, gathered P _ H ₂ =x_ H ₂ P _ Tótal = 2 3 P P _ He =x_ He P _ Total = 1 3 P P _ H ₂ : P _ H _ e = 2 / 3 P 1 / 3 P =2: 1 gathered