Estimate the mole fraction if concentration of A is 2 mol/cu.m and the total concentration is 5 mol/cu.m.
(a) 0.2
(b) 0.25
(c) 0.4
(d) 1
I had been asked this question in a job interview.
My question is from Molecular Diffusion in Gas in portion Diffusion in Solids and Molecular Diffusion in Fluids of Mass Transfer