Name:

1. What ratio does molarity express?

2. What ratio does molality express?

3. What are the two components of a solution?

4. Describe how you would prepare 250.0 ml of a 0.500 M solution of NaCl?
   

5. A solution of a salt and water conducts an electric current but a solution of sugar does not. Explain why.
   

6. What is a colligative property?
   

7. If 15.55 grams of NaOH are dissolved in enough water to make a 500.0 ml solution. What is the molarity
    of this solution?
   

8. Calculate the molality of a solution containing 60.50 grams of NH₄CL dissolved in 200.00 Kg of water.
   

9. A famous saying in chemistry is "like dissolves like." What does this refer to?
   

10. The solution process involves two processes: dissociation and solvation. Describe them.
     

11. Ethylene glycol (antifreeze) has the chemical formula HOCH₂CH₂OH. Calculate the change in temperature of water if
    1840 grams of ethylene glycol is added to a radiator containing 3.5 liters of water. The K_bp for water is 1.86 ^oC/m
    and the normal freezing point of water is 0 ^oc.