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Ethylene glycol, formula C2H6O2, is used as antifreeze for automobiles and is sometimes mixed with water...

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Chemistry

Ethylene glycol, formula C2H6O2, is used as antifreeze forautomobiles and is sometimes mixed with water at a 1:1 ratio byvolume and produces a solution with a density of 1.07 g/mL. Assumethat the solution behaves ideally. Notes: at 25 oC the densities ofwater and ethylene glycol are 1.00 g/mL and 1.11 g/mL,respectively, the vapor pressures of water and ethylene glycol at20 oC are 17.54 torr and 0.06 torr, respectively, and Kb and Kf ofwater are 0.51 K/m and 1.86 K/m, respectively.

a. What is the freezing point of this solution?

b. What is the vapor pressure, in torr, of this solution at 20oC?

c. What is the osmotic pressure, in atm, of this solution at 25oC and 0 oC?

d. What is the mass percent (m/m)% of this solution?

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