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in Mass Transfer by (37.1k points)
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

1 Answer

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by (39.8k points)
The correct option is (c) – N flux of B

To elaborate: For equimolar counter diffusion N Flux of A is opposite to N flux of B.

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