Five hundred twenty kilograms of aqueous solution containing 185 kg of dissolved MgSO4 is fed to a crystallizer wherein 80% of the dissolved salt crystallizes out as MgSO4 · 6H2O. The solubility of MgSO4 in the solution leaving the crystallizer is 20 g MgSO4 per 100 g H2O. A. How many kilograms of the hexahydrate salt crystals are obtained from the crystallizer? B. How many kilograms of water is evaporated in the process?

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
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Five hundred twenty kilograms of aqueous solution containing 185 kg of dissolved MgSO4 is fed to a crystallizer wherein 80% of the dissolved salt crystallizes out as MgSO4 · 6H2O. The solubility of MgSO4 in the solution leaving the crystallizer is 20 g MgSO4 per 100 g H2O.

A. How many kilograms of the hexahydrate salt crystals are obtained from the crystallizer?

B. How many kilograms of water is evaporated in the process?

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