K(f) for water is 1.86 K kg "mol"^(-1). ...

`K_(f)` for water is 1.86 K kg `"mol"^(-1)`. If your automobile radiator holds 1.0 kg of water, how many grams of ethylene glycol `(C_(2)H_(6)O_(6))` must you add to get the freezing point of the solution lowered to - `2.8^(@)C` ?

93 g

39 g

27 g

72 g

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