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Vapor Pressure of pure ethanol is 40.0 torr at 19 degrees C 3.42g of sugar (C12H22O11,...

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Chemistry

Vapor Pressure of pure ethanol is 40.0 torr at 19 degrees C

3.42g of sugar (C12H22O11, non-volatile, non-electrolyte) isadded to 50.0 mL of ethanol (C2H6O, 0.79 g/mL, melting point = -114degrees C, Kf = 1.99 degrees C/m)

a. Calculate the vapor pressure of the sugar/ethanol solution @19 degrees C.

b. Calculate the melting point of the sugar/ethanolsolution.

Answer & Explanation Solved by verified expert
3.9 Ratings (625 Votes)
Vapor Pressure of pure ethanol is 400 torr at 19 degrees C 342g of sugar C12H22O11 nonvolatile nonelectrolyte is added to 500 mL of ethanol C2H6O 079 gmL melting point 114 degrees C Kf 199 degrees Cm a Calculate the vapor pressure of the sugarethanol solution 19 degrees C Use Raoults    See Answer
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