A liquid-liquid solution contains 50.0 g of water (molar mass = 18.02 g/mol) and 50.0 g of ethylene glycol (C2H6O2; molar mass = 62.07 g/mol). What is the mole fraction of ethylene glycol in the solution?            (A) 0.290           (B) 0.225           (C) 0.500           (D) 0.775

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Q: vapor pressure

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