Question: 1. Distinguish between solute and solvent. 2. List three colligative properties and suggest a rationale for the choice of the word colligative to describe these

1. Distinguish between solute and solvent. 2. List three colligative properties and suggest a rationale for the choice of the word colligative to describe these properties. 3. Distinguish between volatile and nonvolatile substances. 4. What effect does the presence of a nonvolatile solute have upon (a) the vapor pressure of a solution, (b) the freezing point, and (c) the boiling point? 5. What is the molality of a solution that contains 3.0g urea (molecular weight =60amu ) in 100g of benzene? 6. What is supercooling? How can it be minimized? 7. Calculate the freezing point of a solution containing 2.50g of benzene in 120g of chloroform. 8. A solution containing 2.00g of an unknown substance in 25.0g of naphthalene was found to freeze at 75.4C. What is the molar mass of the unknown substance? 9. How many grams of NaNO3 would you add to 250g of H2O in order to prepare a solution that is 0.500 molal in NaNO3 ? 10. Define the terms molality and molarity

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