One ton of a 30% solution of Na2CO3 IN H2O is cooled slowly to 20 degree. During the cooling, 10% of the water originally present is evaporated. The carbonate precipitating out forms crystals of Na2CO3 - H2O . If the solubility of the hydrated Na2CO3 at 20 degree is 21.5 lb/1000 lb H2O, calculate the following: a. weight of the hydrated Na2CO3 b. the amount of water evaporatedc. amount of mother liqour (the part of a solution that is left over after crystallization)

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Answered: One ton of a 30% solution of Na2CO3 IN…

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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One ton of a 30% solution of Na₂CO₃ IN H₂O is cooled slowly to 20 degree. During the cooling, 10% of the water originally present is evaporated. The carbonate precipitating out forms crystals of Na₂CO₃- H₂O . If the solubility of the hydrated Na₂CO₃ at 20 degree is 21.5 lb/1000 lb H₂O, calculate the following:

a. weight of the hydrated Na₂CO₃
b. the amount of water evaporated
c. amount of mother liqour (the part of a solution that is left over after crystallization)

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