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MHT CET 2023 Chemistry question

ChemistrySolutionsMHT CET 2023

What is osmotic pressure of solution 1.7 g in 1.25dm water at 300 K if van't Hoof factor and molar mas of are 2.47 and 111g mol respectively [R = 0.082 dm atm molK]?

Answer: (B)

Solution

Osmotic pressure of an electrolyte: . Moles of = mol; concentration = mol dm. Then $π = 2.47 × 0.01225 × 0.082

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Question ID VK-095188