1. 9 liters of water were poured into the radiator of a car and 2 liters of methyl alcohol (ρ = 0.8 g / ml) were added. What is the lowest temperature at which you can then leave the car in the open air without fear that the water in the radiator will freeze? (The cryoscopic constant of water is 1.86 K*kg*mol-1).

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