See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

10 M   2 5 C H OH aq. solution means 10 mol/L. Moles of solute   2 5 C H OH 10 mole  Mass of solute   2 5 C H OH 10 46 460 g    Mass of solution g 1000mL 1 1000g mL    Mass of solvent = 1000 g – 460 g = 540 g Moles of solvent   2 540 H O 30 mole 18   solute 10 1 x 40 4   solvent 30 3 x 40 4   2 5 2 5 2 2 o o solution C H OH C H OH H O H O P P x P x     1 3 40 20 4 4     = 10 + 15 = 25 mm of Hg.