+1 vote
in Mass Transfer by (37.1k points)
Find the number of stages.

(a) 1

(b) 2

(c) 3

(d) 4

I got this question during a job interview.

This interesting question is from Design of Extractor for Multistage  Stage Operations topic in section Diffusion in Solids and Molecular Diffusion in Fluids of Mass Transfer

1 Answer

0 votes
by (39.8k points)
The correct option is (b) 2

The best explanation: Two operating lines so two stages.

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