1. Quiz
1. The presence of an ionic atmosphere leads to _______________ in the solubility of slightly soluble solids.
A. an increase
B. a decrease
C. no change
2. The ionic strength of a solution that contains M NaCl and M KNO3 (both fully soluble salts) is:
A M
B M
C M
D. none of the above

2. Quiz
Consider an aqueous solution with a formal acetic acid (CH3CO2H) concentration of M and the following equilibrium reactions:
3. What is the correct charge balance?
A. 2[H+] = [OH-] + [CH3CO2-]
B. [H+] = [OH-] + [CH3CO2-]
C. [H+] + [CH3CO2H] = [OH-] + [CH3CO2-]
D. none of the above
4. What is the correct mass balance?
A. [CH3CO2H] + [CH3CO2-] = M
B. [H+] = [CH3CO2-]
C. [CH3CO2-] = M