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### Question Asked by a Student from EXXAMM.com Team

** Q 1134267152. ** `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` ?

#### HINT

Use formula: `DeltaT_(f)= K_(f).`m