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Ethylene glycol ("molar mass"=62 g mol^(...

Ethylene glycol `("molar mass"=62 g mol^(-1))` is a common automobile antyfreeze. Calculate the freezing point of a solution containing 12.4 g of this substance in 100 g of water. (Given` K_(f) for water = 1.86 K kg mol^(-1))`

Text Solution

Verified by Experts

`Delta T_(b) = K_(b) xx m = 0.52 xx 2 = 1.04 K`
Boiling point of solution = 373.15+1.04=374.19 K
Since boiling point is higher that room temperature (298.1K) , it is safe to keep to the substance in car radiator during summer .
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