Chemistry Experiment 2

Chemistry Experiment 2 - Experiment 2: Qualitative...

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Experiment 2: Qualitative Analysis of Inorganic Salts By Jennifer Knotts Lab Partners: Katlin Chemistry 1312, Section F-1, February 1, 2007
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Introduction: This lab was performed to provide a study of soluble inorganic salt reactions and provide knowledge in classification of cations and anions. Qualitative analysis was once the only way to chemically analyze water soluble salts. However, there are now new methods of study; atomic spectroscopy and mass spectronomy but the traditional methods are just as valuable. For example, the traditional wet chemical methods used are a good way of reviewing basic inorganic reactions and solubility rules. The qualitative analysis method uses a classification system of five main groups to determine proper placement of compounds based on dissolution reactions. The groups are as followed: Group I: Cations form insoluble chloride salt upon reaction with HCl Group II: Cations form insoluble sulfides upon reactions with H 2 S in acidic media Group III: Cations form insoluble sulfides upon reactions with H 2 S in basic media Group IV: Cations form insoluble carbonates upon reaction with carbonate ion Group V: Cations are generally soluble Purpose: The concept of this experiment was to provide an opportunity to gain valuable insight in the classification of both cation and anion reactions by coming to terms with some very important and useful skills. The experiment is broken down into several stages, all dependent of each other. For example, stage one focuses on cation analysis and has two sub-sets; tests for Ba 2+ , Cu 2+ , Co 2+ , or Ca 2+ and test for NH 4 + , K + or Na + . Where as stage two focuses on anion analysis and has three sub-sets: test for CO 3 2- orCrO
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This lab report was uploaded on 04/07/2008 for the course CHEM 1310 taught by Professor Cox during the Spring '08 term at Georgia Tech.

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Chemistry Experiment 2 - Experiment 2: Qualitative...

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