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MHT CET202313 May 2023Morning ShiftChemistrySolutionsActual

A solution of 5.6 ~g nonvolatile solute in 50 ~g solvent has elevation in boiling point 1.75 ~K . What is the molar mass of solute ( K _ b =3 ~K ~kg ~mol ⁻¹ ) ?

Options

  1. A192 ~g ~mol ⁻¹
  2. B200 ~g ~mol ⁻¹
  3. C184 ~g ~mol ⁻¹
  4. D176 ~g ~mol ⁻¹

Correct answer

A. 192 ~g ~mol ⁻¹

Step-by-step solution

aligned M ₂ & = 1000 ~K _ b W ₂ T _ b W ₁ & = 1000 3 5.6 1.75 50 =192 ~g ~mol ⁻¹ aligned

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