CHEM. TEST  13 (p. 408-445)     (100 points)

1-10 Multiple Choice

11-20 T and F

SHOW WORK

21. Calculate the molality for the following:                                        (6 points)

22. What would the new boiling points be for 21 A and  21 B?                                        (6 points)

23. Calculate the new boiling and freezing points for: (15 points)

24. Calculate the Molarity for                    (3 points)

25. Calculate the Normality                                    (3 points)

26. What is the new concentration if :          (10 points)

27. Name five science facts from the articles in the chapter.(p.443) (5 points)

28. Name three ways to speed up the rate of dissolving, and ?.               (6 points)

29.  Name and describe two colligative properties that are affected by solute concentration, then ?. (6 points)

30.List four ways to measure concentration, then describe each one or list the formula for each one. (10 pts)

31. Define solute, solvent, and solution.  Explain ?. (10 pts)