How many moles of ethylene glycol must be dissolved in 500 g of water (Kf = 1.86 °C m-1) to lower the freezing point to -5.00 °C?
A) 18.6 mol
B) 2.69 mol
C) 0.268 mol
D) 3.73 mol
E) 1.34 mol
Correct Answer:
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