Chem3A Lab 3 - Gary Lam Experiment 3: Identifying an...

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Gary Lam Experiment 3: Identifying an Unknown Using Dipole Moment, Solubility, Density, and Boiling Point Data Discussion: After obtaining our four samples, we weren’t sure about the identity of any of the solutions since they all looked similar. After part 1, we figured out if each of our solutions had dipole moments. 1A didn’t have a dipole, but 2A, 3A, and 4A all had dipoles so we had some idea of the identity of our solutions after the first part. Then we did the solubility test and found that 1A, 3A, and 4A were not soluble in water but 2A was soluble. With these two tests, we narrowed down the possibilities. 1A could be hexane, carbon tetrachloride, cyclohexane, heptane, trifluorotoluene benzene, 2- Bromopentane, octane, or para-xylene. 2A could be acetone, methanol, or ethanol. 3A and 4A could be dichloromethane, ethyl acetate, 1-2 dichloroethane, 1-propanol, or 1- pentanol. With these possibilities in mind, we performed part 3 for 1A, 3A, and 4A since they were not soluble in water. From part 3, we found out that 1A, 3A, and 4A were all
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This note was uploaded on 04/02/2008 for the course CHEM 3A taught by Professor Fretchet during the Spring '08 term at University of California, Berkeley.

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Chem3A Lab 3 - Gary Lam Experiment 3: Identifying an...

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