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Quiz

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 0.050 M NaCl and 0.025 M KNO 3 (both fully soluble salts) is: A. 0.150 M

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Quiz

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  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 0.050 M NaCl and 0.025 M KNO3 (both fully soluble salts) is: A. 0.150 M B. 0.050 M C. 0.075 M D. none of the above

  2. Quiz Consider an aqueous solution with a formal acetic acid (CH3CO2H) concentration of 0.150 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-] = 0.150 M B. [H+] = [CH3CO2-] C. [CH3CO2-] = 0.150 M D. none of the above

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