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JEE Main levelSingle correct optionDifficulty 2 of 3mc078

of glucose () is dissolved in of water. The molality of the solution is

  1. A
  2. B
  3. C
  4. D

Answer: B

Moles of glucose = 18/180 = 0.1. Mass of solvent = 0.250 kg. Molality = 0.1/0.250 = 0.4 mol/kg.
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