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Find the sum of R and E if the sum of F and S is...

Find the sum of R and E if the sum of F and S is 80 kmol.

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+1 vote

asked Sep 21, 2022 in Mass Transfer by Julian (38.2k points)

Find the sum of R and E if the sum of F and S is 80 kmol.

(a) 20 kmol

(b) 40 kmol

(c) 60 kmol

(d) 80 kmol

This question was posed to me in an interview for internship.

The origin of the question is Design of Extractor for Single Stage Operations topic in section Liquid Extraction of Mass Transfer

mass transfer
liquid extraction
design of extractor for single stage operations

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1 Answer

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answered Oct 13, 2022 by Chris (39.8k points)

Right answer is (d) 80 kmol

The explanation: M= F+M= R+S =80.

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