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JEE Main Chemistry question

ChemistrySolutionsJEE Main

The mole fraction of a solute in a solution is 0.1. At 298 K, molarity of this solution is the same as its molality. Density of this solution at 298 K is 2.0 g cm. The ratio of the molecular weights of the solute and solvent, , is

Answer: 9

Solution

Per 1 total mole: 0.1 mol solute (), 0.9 mol solvent (). Molarity ;

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Question ID VK-131076