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1. Which of the following are colligative properties?
Boiling Point Elevation Freezing Point Depression Osmotic Pressure Vapor Pressure Law All of the above

2. Coagulation is destoyed by:
heating shaking adding an electrolyte A&B A&C

3. HCl reacts with NaOH to form water and NaCl. What volume of 0.500 HCl is required to yield 2.00 g of NaCl?
0.0684 mL 0.0342 mL 68.4 mL 34.2 mL None of these

4. Molarity is measured in:
moles/L moles/mL mL/moles L/moles moles/volume

5. A solution is made by dissolving 25.8 g urea (CH4N2O) a nonelectrolyte, in 275 g water. Calculate the vapor pressure at 25oC (Vapor pressure of water at 25oC is 23.8 torr)
97 torr 23.2 torr 23.8 torr 0.97 torr 24 torr

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