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1. |
NaSO. 10HO crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of NaSO. The final concentration of the solute in the solution is 10%. The weight of crystals is |
A. | 20 |
B. | 32.2 |
C. | 45.35 |
D. | 58.65 |
Answer» E. | |