1. Quiz 1. What is the pH of a 5.0 x 10-6 M solution of CsOH? A. 5.3
B. 2 x 10-9
C. 8.7
D. need to know the equilibrium constant
2. Formic acid (HCO2H) has a pKa of What is Kb for the formate ion (HCO2-)? Show your work.
A x 10-4
B x 10-11 C D

2. Quiz
3. How many milliliters of M KI are necessary to reach the equivalence point when titrating 40.0 mL of M Hg2(NO3)2? Show your work. The reaction is:
A mL
B mL
C mL
D. none of the above
4. The equivalence point of a titration occurs:
A. when all of the analyte has been titrated (reacted).
B. usually just before the endpoint.
C. Both A and B
D. Neither A or B