How many liters of ethylene glycol antifreeze (C2H6O2) would you add to your car radiator containing 15.0 L of water if you needed to protect your engine to -17.8 C (The density of ethylene glycol is 1.1 g/mL. For water, Kf = 1.86 C/m.)
A) 6.1 L
B) 7.1 L
C) 8.1 L
D) 9.1 L
E) None of the above
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