For a steady state equimolar counter diffusion of A and B. The N flux of A is ________
(a) – N flux of A
(b) N flux of A
(c) – N flux of B
(d) N flux of B
I got this question in final exam.
Origin of the question is Multicomponent Diffusion in section Diffusion in Solids and Molecular Diffusion in Fluids of Mass Transfer