In this experiment,students are required to master the structure of single arm balance and master the use of analytical balance:they are also required to master the method of weigh directly and decrement weighing method solid material,to master how to deal with effect data Experiment two:basic operation of titration and comparison on densities of acid and alkali(4hours) Students are asked to master the use of buret and to judge the end point of titration using phenothalin and methyl orange as indicators. Experiment three:calibration on standard solution of NaOH and content measurement of industrial HAC(5 hours). Students are required to master the method on preparing standard solution of NaOH.to learn the conditions on standard substance in experiment,to master the basic theory using NaOH titrating to HAC,to master how to select indicator,how touse the volumetric flask and transfer pipet Experiment four(1):washing and drier to glass container and process to glass tube(2 hours) Students are required to master how to wash and dry the glass container,to master the structure and use of alcohol blast burner,to master the manufacture on cutting,bending and roasting the glass tube. Experiment four(2):measurement on lonization equilibrium constant of HAC by pH method (3 hours) In this experiment,students are required to master the theory and method o on how to measure the lonization quilibrium constant and use of pH meter Experiment five(1):synthesis of NaCO3(3 hours) In this experiment,the students are required to master the method on Hou's process,control on stable temperature. In this experiment students are required to master the method on how to preparation of HCI solution and calibration,the method on measurement of mixed alkali by double indicators and how to deal with the result. Experiment six:Ionization equilibrium and precipitation theory(4 hours) Studentsare required to understand the theory of of same on to weak electrolyte solution.The theories of buffer solution and buffer principle are also needed to be mastered in the experiment.Solubility rules of salt and formation of precipitation,resolution phenomenon and precipitation step and step,transformation of precipitation and centrifugal separation.Students are also required to master the separation of mix metal ions and to observe the phenomenon during the experiment. Experiment seve:properties ofelements and compounds((3hours) In this experiment,the students are required to master the properties of elements in P area and their compounds.They are also required to master how to analysis these elements Experimenteight:compound and their properties(4hours) Comparing of the coordination compounds how to appraisal these compounds are also needed to be mastered. Experiment nine:properties ofelements and their compounds(II)(3 hours) Studentsare equired to master synthesis the hydroxide and material of and ds -9 —9— In this experiment, students are required to master the structure of single arm balance and master the use of analytical balance; they are also required to master the method of weigh directly and decrement weighing method to a solid material, to master how to deal with effect data. Experiment two: basic operation of titration and comparison on densities of acid and alkali (4 hours) Students are asked to master the use of buret and to judge the end point of titration using phenothalin and methyl orange as indicators . Experiment three: calibration on standard solution of NaOH and content measurement of industrial HAC (5 hours). Students are required to master the method on preparing standard solution of NaOH, to learn the conditions on standard substance in experiment, to master the basic theory using NaOH titrating to HAC, to master how to select indicator, how to use the volumetric flask and transfer pipet. Experiment four (1): washing and drier to glass container and process to glass tube (2 hours) Students are required to master how to wash and dry the glass container, to master the structure and use of alcohol blast burner, to master the manufacture on cutting, bending and roasting the glass tube. Experiment four (2): measurement on Ionization equilibrium constant of HAC by pH method (3 hours) In this experiment, students are required to master the theory and method on how to measure the Ionization equilibrium constant and use of pH meter. Experiment five (1): synthesis of Na2CO3 (3 hours) In this experiment, the students are required to master the method on Hou's process, control on stable temperature and calcination on high temperature. Experiment five (2): measurement on total basis in Na2CO3 prepared (5 hours) In this experiment, students are required to master the method on how to preparation of HCl solution and calibration, the method on measurement of mixed alkali by double indicators and how to deal with the result. Experiment six: Ionization equilibrium and precipitation theory (4 hours) Students are required to understand the theory of Ionization equilibrium, recognize the influence of same ions to weak electrolyte solution. The theories of buffer solution and buffer principle are also needed to be mastered in the experiment. Solubility rules of salt and formation of precipitation, resolution phenomenon and precipitation step and step, transformation of precipitation and centrifugal separation. Students are also required to master the separation of mix metal ions and to observe the phenomenon during the experiment. Experiment seven: properties of elements and compounds (I) (3 hours) In this experiment, the students are required to master the properties of elements in P area and their compounds. They are also required to master how to analysis these elements. Experiment eight: formations on coordination compound and their properties (4 hours) In this experiment, the students are required to master the relation between dissociation equilibrium and other equilibrium. Comparing stability of the coordination compounds from equipment of coordination ions and how to appraisal these compounds are also needed to be mastered. Experiment nine: properties of elements and their compounds (II) (3 hours) Students are required to master synthesis the hydroxide and oxidizing material of elements in d area and ds