JEE Main Chemistry question
When 0.2 mole of urea is dissolved in 100 g of a solvent, the depression of freezing point is . When 0.3 mole of a non-volatile solute is dissolved in 100 g of the same solvent, the depression of freezing point will be °C.
Answer: 0.75
Solution
At the same solvent mass, moles of solute: .