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CH204_L02 - Experiment 1 Qualitative Chemical Analysis...

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Experiment 1. Qualitative Chemical Analysis PURPOSE AND LEARNING OBJECTIVES To become familiar with the concept of qualitative analysis To learn to make scientific observations To introduce you to microscale techniques To qualitatively ID the presence of a chemical species in an unknown sample Qualitative Analysis – Deals with the detection and identification of the constituents of a sample. Gives simple “yes” or “no” but doesn’t determine actual amounts (g/mol, g/L, mol/L ). In several cases you use your eye as a detector! Example: Spot test, litmus paper (pH), swimming pool test Color change signifies the detection of species of interest
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