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MHT CET20225 Aug 2022Evening ShiftChemistrySolutionsActual

What is te mass of solute having molar mass 60 ~g ~mol ⁻¹ when dissolved in 98 gram solvent decreases its freezing point by 0.2 ~K ? (The numerical value of cryoscopic constant of solvent is 1.71)

Options

  1. A0.5 gram
  2. B1.5 gram
  3. C0.687 gram
  4. D2.0 gram

Correct answer

C. 0.687 gram

Step-by-step solution

Tf = K _ f m 0.2=1.71 W _ B 60 1000 98 W _ B =0.687 ~g

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