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The temperature at which a solusion freeces and bois depends on the treezing and boling points of the pure solvent as well as on the

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The temperature at which a solusion freeces and bois depends on the treezing and boling points of the pure solvent as well as on the molal Cyclohexane has a tioezing poirt of 6.50C and a Kr. of 20.0C/m. What is the treezing point of a solution made by concentration of paticles (pelecules ard ions) in dissolving 0.617g of bipheryf (C12H30) in 25.0g of oyclohesane? the solution. For nonvelatile solutes, the boing point of the solution is higher bien that of the pure Express the temperature numerically in degrees Celsius. solvent and the freezing point is lower. The change. in the boiling tor a solution, Tb, can be calculated as Th=Khm in which m is the molalty of the solution and Kh is the molal boling port elevaton constant for the sobvert. The treezing-boint debression, Tf.can be calculaled in a aimlar manner: Ti=Krm in which m is the moinity of the solibon and Kf is the molal troeting-point-depression oonstart for the solvent. Part II The terroerature at which a colution treetes and beils depends on the freezing and boling points of the pure solvent as well as on the molat concertation of particles (molecules and ions) in Parmdichlorobenzene, C4H4Cl2, is a component of mothballs. A solution of 200g in 225g of cyclahecane bols at the solution. For nanvolatle solutes, the boling 82.39.C. The boling point of pure cydohexane is 80.70 " C. Calculate K1 for cyclohoxane. point of the solution is higher than that of the pure solvent and the lreexing point is bwer. The change in the boiling for a wolution. Tb can be calculatiod as Tw=Kb+m in which m is tho molalty of the solution and Kb is the molal boling point tevitition constart for the. solvect. The hreezing-point depression, Tf, can be calculated ia a similar manner: Tf=Ktm in which m is the molnity of the soluton and K is the mola treezing-point depression constant for the solvent

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