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Propylene glycol is a non-volatile di-alcohool that is used for de-icing of aircrafts on the ground. What is the minimal volume of propylene glycol that will be required per square meter of aircraft surface to remove a 3mm ice sheet if the temperature of the air is -5 degrees celsius.

density of propylene glycol is 1.04 g/ml

molar mass of propylene glycol is 76 g/mol

density of water is 1 g/ml

molar mass of water is 18 g/ml

delta H of fusion for water is 6.01 kJ/mol

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