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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Review: Nomenclature of chemical species
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Review: solubility trends of different salts
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Stable Cations Stable Anions Based on having a stable octet of valence electrons like their nearest noble gas element Review: what cations and anions are stable in aqueous solution?
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Must be able to write balanced ionic equations! ± Balanced chemical equation:
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This note was uploaded on 02/28/2010 for the course CH 52470 taught by Professor Appling during the Spring '10 term at University of Texas.

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CH204_L02 - Experiment 1. Qualitative Chemical Analysis...

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