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An aqueous solution containing..

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An aqueous solution containing 36.7 g of an unknown substance in 308 g water was found to have a freezing point of -2.87 .C
  • An aqueous solution containing 36.7 g of an unknown substance in 308 g water was found to have a freezing point of -2.87 .C. Calculate the molar mass of the unknown substance (Kf for water is 1.86 .C/m)
  • Using the relation, ΔT f ​ =mK f ​
  • Hence,
  • 0.64=1.86×m
  • ⇒m=0.344
  • ⇒ continue....
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