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Unit 3-4 Test pages 100-127         NAME___________________________   Hr._____

Multiple Guess/choice                                        100 points

1-10

True or False

11-20

Essays/Problems

21. List five facts based on the article in the chapter on page 118.  (5 pts)

22.  List the three major divisions of the pH scale; describe where each is found on the pH scale, then give a unique quality of each. (10 pts)

23. List two samples from the lab and indicate if they are theoretically an acid, base or neutral.  (4 points)

24.  Calculate and list the pH, then indicate if it is an acid, base, or neutral.   (10 points)

A-E

25. List the pH, pOH, [OH-], [H+] and indicate if it is an acid, base, or neutral for both of them.   (10 points)

A-B

26. What is the concentration of the acid or base if the following occurred in a titration: (SHOW WORK)(10 pts)

A-C

27.  Balance, and then label Conjugate Acid, Conjugate Base, Acid, and Base for the following: (15  pts)

A-C

28. What is an indicator  ????     (3 pts)

29. What is a buffer?  ??? (3pts)      More on back.

30. List the models of acid/base pairs, describe the acids of each and describe the bases of each. (10 pts)