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In a cold climate water gets frozen caus...

In a cold climate water gets frozen causing damage to radiator of a car. Ethylene glycol is used as an anifreezing agent. Calculate the amount of ethylene glycol to be added to `4 kg` of water to prevent it from freezing at `-6^(@)` . (`K_(f)` for water = `1.85 kg mol^(-1)`)

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`DeltaT_f=6=K_fm rArr 6/(1.86)=3.225=(g//M_0)/4=(g//62)/4 rArr g= 800 gm`
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