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A reverse-osmosis unit is used to obtain pure water from saline water. The coefficient of water permeation is 0.1 mol/cm²-s·atm. The pressure differential across the membrane is 0.2 atm, and the osmotic pressure differential is 0.05 atm. The water flux across the membrane is most nearly (A) 0.0050 mol/cm² ·s (B) 0.015 mol/cm² ·s (C) 0.050 mol/cm² ·s (D) 0.15 mol/cm² ·s

A reverse-osmosis unit is used to obtain pure water from saline water. The coefficient of water permeation is 0.1 mol/cm²-s·atm. The pressure differential across the membrane is 0.2 atm, and the osmotic pressure differential is 0.05 atm. The water flux across the membrane is most nearly (A) 0.0050 mol/cm² ·s (B) 0.015 mol/cm² ·s (C) 0.050 mol/cm² ·s (D) 0.15 mol/cm² ·s

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A reverse-osmosis unit is used to obtain pure water from saline water. The coefficient of water permeation is 0.1 mol/cm2 s atm. The pressure differential across the membrane is 0.2 atm, and the osmotic pressure differential is 0.05 atm. The water flux across the membrane is most nearly (A) 0.0050 mol/cm2·s (B) 0.015 mol/cm2·s (C) 0.050 mol/cm2·s (D) 0.15 mol/cm² ·s
Transcribed Image Text:A reverse-osmosis unit is used to obtain pure water from saline water. The coefficient of water permeation is 0.1 mol/cm2 s atm. The pressure differential across the membrane is 0.2 atm, and the osmotic pressure differential is 0.05 atm. The water flux across the membrane is most nearly (A) 0.0050 mol/cm2·s (B) 0.015 mol/cm2·s (C) 0.050 mol/cm2·s (D) 0.15 mol/cm² ·s
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