Colligative%20Properties - The freezing point of a solution...

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Colligative Properties 1. List the four colligative properties 2. Solve for the freezing point of benzene if 215 g of CO 2 are added to 1.55 kg of benzene. The K f of benzene is 4.90 C/m and the freezing point of pure benzene is 5.5 Celsius. 3. Determine the vapor pressure of a solution that has 35.5 g of Na 3 PO 4 dissolved in 935 g of water. The vapor pressure of pure water at the same temperature is 125 torr. 4.
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Unformatted text preview: The freezing point of a solution that is made of MgBr 2 dissolved in 5.95 kg of water is found to be -3.2 Celsius. Determine the mass of MgBr 2 that was dissolved in the water. The K f for water is 1.86. 5. How much CO 2 would be needed to add to 1.00 kg of ethanol to make the boiling point 80.0 Celsius. The boiling point of pure ethanol is 78.5 Celsius and the K b for ethanol is 1.22 C/m....
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This note was uploaded on 11/29/2011 for the course CHEM 1212 taught by Professor Dockery during the Fall '08 term at Kennesaw.

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