kf for water is 1.86 k kg mol^(-1) If yo...

`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_2H_6O_2)` must you add to get the freezing point of the solution lowered to `- 2. 8^@C` ?

72 g

93 g

39 g

27 g

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