CHEMICAL ENGINEERING
Q Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is________________?
  • A A. 20
  • B B. 32.2
  • C C. 45.35
  • D D. 58.65
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