A solid mixture consists of 85.0% KNO 3 and 15.0% K 2 SO 4 , by mass.

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A solid mixture consists of 85.0% KNO3 and 15.0% K2SO4, by mass. A60.0 g sample of this solid is added to 130.0 g of water at 60 °C. Refer to Figure 14-10.

(a) Will all the solid dissolve at 60 °C?

(b) If the resulting solution is cooled to 0 °C, what mass of KNO3 should crystallize?

(c) Will K2SO4 also crystallize at 0 °C?

Figure 14-10

g solute / 100 g HO 60 50- 40 LiSO4 Naci 30 NH4Cl 20 KNO3 10- KSO4 KC1041 10 20 30 Temperature, C 40 50 60

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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