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(a) Calculate the vapor pressure of water above a solution prepared by dissolving 33.7 g in glycerin (C3H8O3) to 121 g of water at 343 K.

(b) Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 11.9 torr at 35°C. The vapor pressure of pure ethanol at 35°C is 1.00 multiplied by 102 torr

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