Study Guide for Chem 2222

Introductory Quantitative Analysis

Parts 2. Systematic Equilibrium.

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Topic Lecture Notes and Reference Materials Reading/Study Assignment
2A

Equilibrium Review

Equil Review I. Aqueous solution chemistry. Stoichiometry and composition of aqueous solutions. Solubility, acid-base, and complex ion equlibria.

Equil Review II. Stoichiometry and equilibrium.

Chapter 4, aqueous solution chemistry. Work through all examples in Ch 4, and starred exercises at end of chapter. Start with Ch 4A and problems #1-5. See also the following.

  • Method of successive approximations. Ch 4, feature 4-5.

2B

Ionic strength and equilibrium

Ionic Strength and Equilibrium.

Ch 9, "Electrolyte Effects: Activity or Concentration?", all sections. Work starred exercises, especially #7, 10-13. Exercises 14 & 15 demonstrate use of spreadsheets to calculate activities. Problem Set 4, Ionic Strength and Equilibrium
2C

Systematic Treatment of Equilibrium

Simultaneous Equilibria I. Charge balance, mass balance. Systematic approach to treatment of systems with multiple equilibria.

Ch 10, "How Equilibrium Calculations Can Be Applied to Complex Systems." Part A. Exercises 2-5. Problem Set 5, Simultaneous Equilibria.

Simultaneous Equilibria II. Fractional composition. Effect of pH and complexation on solubility.

  • Solubility of AgCN at pH 5. (pdf)
  • Solubility of PbCl2 in excess chloride. (pdf) (mcd)
  • Solubility of CaC2O4 vs pH. (pdf) (xls)
Ch 10, part B. Starred exercises 7-13.
Simultaneous Equilibria III. Additional examples. Ch 10, part C. Exercises 15, 17, 19.
    Unit 2 Review

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