Chem 3AL experiment 3 unknown liquid

Chem 3AL experiment 3 unknown liquid - Atif Saleem, Chem...

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Atif Saleem, Chem 3AL, Section 101 Identifying an Unknown Using Dipole Moment, Solubility, Density and Boiling Point Data In Part I, the presence of a dipole moment was tested by streaming a liquid next to a charged rod to determine whether or not the liquid bent towards the rod. All of the liquids 2G, 3G, and 4G had an observed dipole moment except for 1G which had no reaction. We were able to narrow down what the unknowns could possibly be by looking at the chart and eliminating liquids with an observed/unobserved dipole moment. In Part II the solubility of the unknown liquids in water was tested by putting 0.5mL of water into a test tube with 0.5mL of each of the unknown liquids. With a pipette, the mixture of both liquids was then drawn up and deposited back down into the test tube a few times, making sure any solubility would take place evidently. If two layers formed, then it was determined that the unknown liquid was not soluble in de- ionized water. The unknown liquid that formed a layer was 2G. It was now possible to eliminate more choices for each unknown liquid by comparing those liquids on the chart which were soluble in water and which were not. Part III was only done to unknown liquid 2G because it was insoluble in water; it’s
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This note was uploaded on 02/04/2010 for the course CHEM 3AL taught by Professor Li during the Fall '08 term at Berkeley.

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Chem 3AL experiment 3 unknown liquid - Atif Saleem, Chem...

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