Students will gain an understanding of the basic knowledge of inorganic and analytical chemistry through experiments, while also learning the basics of running chemical experiments and an experimental approach conscious of environmental safety. This course includes following experiments:
(1) Synthesis of complex salts and double salts to acquire the basics of running chemical experiments such as weighing, maturing, filtration, and recrystallization
(2) Titration experiments of oxidation-reduction and neutralization to learn how to prepare solutions and quantitation techniques
(3) Separation of ionic species by chromatography
(4) Spectroscopy and gravimetric analysis to learn quantitation methods of chemical species
Through the synthetic experiments of complex salts and double salts, students will acquire the basics of running experiments such as filtration, recrystallization, and maturing. From the titration experiments of oxidation-reduction and neutralization, they will learn how to prepare solution samples and how to quantify chemical species. They will also experience the separation of ionic species by chromatography and absorption spectrophotometry. These experiences are important as fundamentals of running more advanced chemical experiments.
Students will acquire the following skills through this experiment course.
1) Basic knowledge of the various subfields of chemistry
2) Basics of running a chemistry experiment
3) Knowledge needed for safely running a chemistry experiment
4) Experimental approach conscious of environmental safety
5) How to write a precise description of running an experiment, and a lab report
Complex salt, Double salt, Chromatography, Spectroscopic analysis, Oxidation-reduction titration, Neutralization titration, Gravimetric analysis
|Intercultural skills||Communication skills||Specialist skills||Critical thinking skills||Practical and/or problem-solving skills|
One to three classes will be used for each topic, and students will run experiments on a total of 7 topics. Students must read the textbook in preparation before each experiment topic, and understand how to actually run the experiment and its meaning. After students complete an experiment, they will submit a report that summarizes the significance of the experiment, as well as the procedure, results, and observations.
|Course schedule||Required learning|
|Class 1||Guidance to conduct chemical experiments safely||Learning glassware treatment and basic experimental handlings for safe chemical experiments|
|Class 2||Synthesis and recrystallization of copper sulfate||Purification of copper sulfate crystal by recrystallization|
|Class 3||Complex salt||Synthesis, purification and structure of metal-complex|
|Class 4||Double salt||Synthesis, recrystallization, and property of double salts|
|Class 5||Separation of chromium complex by ion-exchange chromatography||Preparation and column separation of chromium complexes|
|Class 6||Spectroscopy of chromium complex||Measurement of visible spectra of the separated chromium complexes|
|Class 7||Redox titration: solution preparation||Preparation of a reference concentration solution for capacity analysis, calculation of the concentration of solutions, and practice of the preparation method of reference solution|
|Class 8||Redox titration: potassium permanganate titration||Define the concentration of potassium permanganate solution by titration, mastery of theoretical and computational and experimental methods of iron (II) quantitative titration with potassium permanganate method|
|Class 9||Redox titration: iodometric titration||Define the concentration of sodium thiosulfate solution by titration, and learn about the theory and computational and experimental methods of quantitative titration of copper(II) by iodometric titration|
|Class 10||Neutralization titration: preparation of standard solutions||Preparation and standardization for titration of sodium hydroxide and hydrochloric acid aqueous solutions|
|Class 11||Neutralization titration: determination of sample's unknown concentration||Determination of unknown phosphoric acid solution concentration and unknown mixing ratio of sodium carbonate and sodium hydrogen carbonate powder sample by titration|
|Class 12||Gravimetric analysis: Quantitative determination of crystallization waters in copper sulfate hydrates, Synthesis of copper complexes||Learning handling technique of quantitative analysis chemistry, Synthesis of copper complexes using organic precipitants|
|Class 13||Gravimetric analysis: Quantitative determination of crystallization water in copper sulfate hydrates, Quantitative determination of copper ion in copper complexes||Learning handling technique of quantitative analysis chemistry and a quantitative analysis method using organic precipitants|
|Class 14||Report presentation 1||Presentation and discussion for the experiments|
|Class 15||Report presentation 2||Presentation and discussion for the experiments|
Experiments for inorganic and analytical chemistry
For the safe experiments, Kagaku-dojin
For the safe experiments part II, Kagaku-dojin
Students must attend all of the classes to obtain credits.
Students' course score are based on the reports of experiments and report presentations (classes 14 and 15).