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A ution containing 8.0 ~g of nicotine in 92 ~g of water freezes 0.925 degrees below the normal freezing point of water. If the molal freezing point depression constant K _ f =-1.85^ C mol ⁻¹ then the molar mass of nicotine is-

Options

  1. A16
  2. B80
  3. C320
  4. D160

Correct answer

D. 160

Step-by-step solution

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