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JEE Main Chemistry question

ChemistrySolutionsJEE Main

If 0.15 g of a solute dissolved in 15 g of solvent is boiled at a temperature higher by 0.216°C than that of the pure solvent, the molecular weight of the substance is (molal elevation constant for the solvent is 2.16°C)

Answer: (A)

Solution

mol/kg. Moles of solute in 15 g (0.015 kg) solvent $= 0.1

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Question ID VK-143192