# 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_(2))

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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_(2)) must you add to get the freezing point of the solution lowered to -2.8^(@)C ?
A. 27g
B. 72g
C. 93.3g
D. 39g

by (90.9k points)
M_(2)=(1000k_(f)W_(2))/(1000xx2.8)or W_(2)=93.3g