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In winter, the normal temperature in a H...

In winter, the normal temperature in a Himalayan's valley was found to be ` - 10^(@)` C . Is a `30%` by mass of an aqueous solutions of ethylene glycol (molar mass = 62) suitable for car radiator ? `K_(f)` for water is ` 1. 86 Km^(-1)`

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In winter, the normal temperature in Kashmir valley is - 12^(@) C . Is a 25% by mass of an aqueous solution of ethylene glycol (molar mass = 62) suitable for car radiator . K_(f) for water is 1 . 86 Km^(-1)

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How many grams of ethylene glycol (molar mass = 62) should be added to 10 kg of water, so that the resulting solution freezes at -10^(@)C ( K_(f) for water = 1.86 K "mol^(-1) ).

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