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lecture on exp 1 - 1 Experiment#1 Gravimetric Analysis...

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Experiment 1 Gravimetric Analysis 1 Experiment #1 1 Gravimetric Analysis Analytical Chemistry 2 Fundamental 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 terms Gravimetric Analysis 3 Quantitative analysis based upon mass measurements with an analytical balance Two primary ways of gravimetric analysis: Combustion: resulting residues are collected Combustion: Precipitation : one component is “crashed out” of solution Experiment 1 involves precipitation of the Al 3+ ion
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