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JEE Main Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main

A compound HX, with molar weight of 80 g, is dissolved in a solvent having density 0.4 g mL. Assuming no change in volume upon dissolution, the molality of a 3.2 molar solution is

Answer: 8

Solution

3.2 M means 3.2 mol HX per litre of solution. Since dissolution causes no volume change, the

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Question ID VK-131078