80 kg of Na 2 SO 4 (molecular weight = 142) is present in 330 kg of an – McqOptions

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1.	80 kg of Na 2 SO 4 (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na 2 SO 4 .10H 2 O crystals separate out. The weight fraction of Na 2 SO 4 in the remaining solution is
A.	0.00
B.	0.18
C.	0.24
D.	1.00
Answer» C. 0.24

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