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PLEASE ANSWER WITH COMPLETE AND DETAILED SOLUTION 15. A solution of aqueous 10%Na2SO4 and 20%MgSO4 is crystallized in order to obtain Lweite, or Na2SO4MgSO42.5H2O. Instead

image text in transcribed PLEASE ANSWER WITH COMPLETE AND DETAILED SOLUTION

15. A solution of aqueous 10%Na2SO4 and 20%MgSO4 is crystallized in order to obtain Lweite, or Na2SO4MgSO42.5H2O. Instead of cooling or evaporation of water, crystallization is done by addition of pure anhydrous magnesium sulfate in order to form the precipitate. If the mother liquor is 65% water and 8% sodium sulfate, determine the mass of pure anhydrous magnesium sulfate needed per mass of feed solution. a. 0.1 (Answer) b. 0.2 c. 0.3 d. 0.4

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