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In winter, the normal temperature in Kul...

In winter, the normal temperature in Kullu valley was found to be `-11^(@)C`. Is a 28% (by mass) aqueous solution of ethylene glycol suitable for a car radiator ?
`K_(f)` for water `= 1.86 "K kg mol"^(-1)`.

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The correct Answer is:
Yes. The given solution freezes at `-11.66^(@)C`]
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