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Find the slope of the operating line for the first stage if the dilutant in the feed is 5 kg and the solvent used for the second stage is 10 kg.

(a) 0.5

(b) 2

(c) 2.5

(d) Data inadequate

I have been asked this question during an online exam.

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

1 Answer

0 votes
by (39.8k points)
Right answer is (d) Data inadequate

The explanation: Here we need data for the solvent used in the first stage to find its slope of operating line.

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