Carbon disulfide (CS2) boils at and has a density of .(a)When 0.250 mol of a

Chapter 19, Problem 13.104

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Carbon disulfide (CS2) boils at and has a density of .(a)When 0.250 mol of a nondissociating solute is dissolved in 400.0 mL of CS2,the solution boils at . What is the molal boiling-point-elevation constant for CS2? (b) When 5.39 g of a nondissociating unknown is dissolved 47.46 C 1.261 g>mL 46.30 Cin 50.0 mL of CS2,the solution boils at .What is the molecular weight of the unknown?

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