Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

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________________?

Correct answer: D

Explanation

The mass of solute remains constant. Using the initial and final concentrations helps calculate the mass of crystals formed.

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