aims of teaching: To be familiar with equilibrium of dissolving and forming of a sparingly soluble electrolyte,to master standard solubility product constant,the relationship with solubility,and related calculation.To master solubility product rule,to know how to judge forming or dissolving of a precipitate based on solubility product rule. To master the effect of pH on solubility of sparingly soluble metal sulfides and metal hydroxides and related calculation;to be familiar with simple calculation of equilibrium of complexing-dissolving of precipitate.To know Equilibria between two precipitates and related calculation. important and difficult points: Definition of solubility product.Forming and dissolving of precipitates comes to an equilibrium.solubility product.Relationship between solubility and solubityroduct,andthe readcalcuo The sotproduct rue Thetino precipitationsouqba forming precipitate:p forming saturated solution;dissolving precipitate.Shift of an equilibrium between forming and dissolving of precipitate.Shift of an quilibrium can occur through either changing pH of solution,formation of complex,or transformation between two precipitate.The key point to be familiar with dissolving-forming equilibria is to understand the relationship between precipitation reaction and muti-equilibria.To deeply understand a few examples. Chapter 7 Redox Reactions and Electrochemistry (7.0 hrs) $7.1 The fundamental concepts of redox reactions $7.2 Electrochemical cells $7.3 Electrode potentials $7.4 Application of electrode potentials aims of teaching: To be familiar with basic concepts on redox reaction,and balancing redox equations using ion-electron method.To know the concepts about galvanic(voltaic) cell and electromotive force.To master the concept of electrode potential and affecting parameters,the Nernst equation and related simple calculation, application of electrode potentials.To master elemental potential diagram and its application. important and difficult points: aims of teaching: To be familiar with equilibrium of dissolving and forming of a sparingly soluble electrolyte, to master standard solubility product constant, the relationship with solubility, and related calculation. To master solubility product rule, to know how to judge forming or dissolving of a precipitate based on solubility product rule. To master the effect of pH on solubility of sparingly soluble metal sulfides and metal hydroxides and related calculation; to be familiar with simple calculation of equilibrium of complexing-dissolving of precipitate. To know Equilibria between two precipitates and related calculation. important and difficult points: Definition of solubility product. Forming and dissolving of precipitates comes to an equilibrium. solubility product. Relationship between solubility and solubility product, and the related calculation. The solubility product rule: The reaction quotient criterion for precipitation—solubility equilibria: J > Ksp Q, forming precipitate; J = Ksp Q, forming saturated solution; J > Ksp Q, dissolving precipitate. Shift of an equilibrium between forming and dissolving of precipitate. Shift of an quilibrium can occur through either changing pH of solution, formation of complex, or transformation between two precipitate. The key point to be familiar with dissolving-forming equilibria is to understand the relationship between precipitation reaction and muti-equilibria. To deeply understand a few examples. Chapter 7 Redox Reactions and Electrochemistry（7.0 hrs） §7.1 The fundamental concepts of redox reactions §7.2 Electrochemical cells §7.3 Electrode potentials §7.4 Application of electrode potentials aims of teaching: To be familiar with basic concepts on redox reaction, and balancing redox equations using ion-electron method. To know the concepts about galvanic(voltaic) cell and electromotive force. To master the concept of electrode potential and affecting parameters, the Nernst equation and related simple calculation, application of electrode potentials. To master elemental potential diagram and its application. important and difficult points: