CHEM 6BL Experiment 5: Qualitative AnalysisInstructor: Dr. Sandrine BerniollesPage 1Analytical ChemistryFundamental branch of Chemistry that involves separating, identifying, and determining the relative amounts of the components in a sample of matter•Qualitative Analysis: Identifying the chemical species that make-up a sample•Quantitative Analysis: Determining the relative amount of one or more of these species, or analytes, in numerical terms1Experiment #5: Qualitative AnalysisRelevant Concepts/Topics:–Aqueous Equilibria & SolubilityLe Chatelier’s Principle (H S2 H++ S2)2–Le Chatelier’s Principle (H2S ↔2-–Redox Reactions (in acidor base)–More Inorganic Complex ChemistryGoal: identify metal ions in an unknown ion solution (detective work) Qualitative AnalysisSimilar to gravimetric analysis (Expt. #1) in that precipitation is involvedB tit iliitit ti3But gravimetric analysis is quantitativeExpt. #5: You will use your knowledge of precipitation and Kspvalues to identify various metal ions qualitatively
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