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MHT CET 2023 Chemistry question

ChemistrySolutionsMHT CET 2023

A solution of nonvolatile solute is obtained by dissolving 1.5 g in 30 g solvent has boiling point elevation 0.65 K. Calculate the molal elevation constant if molar mass of solute is 150 g mol.

Answer: (A)

Solution

Use , where molality . Moles of solute = mol; mass of solvent = 30 g = 0.030 kg. So mol

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Question ID VK-096514