conclusin solvent extraction

conclusin solvent extraction - Conclusion-Solvent...

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Conclusion-Solvent Extraction- Kristin Blalock The purpose of the experiment performed in lab was to take a solution containing three compounds and separate them based on their polarity and solubility. Initially 3.001 g of a mixture of benzoic acid and ethyl 4- aminobenozate was dissolved in 30 mL of diethyl ether. 10 mL of water was added and I let the solution sit. I noted the organic layer was the water, due to its density being higher than ether. Thus ether was the aqueous layer. 10 mL of 6 M HCl was added to the mixture with constant shaking and venting to prevent a strong pressure build up. The methyl 4 aminobenzate reacted with HCl forming a protonated form of aminobenzate and Cl-. Due to the density of the water and HCl being less than ether it was drained from the stopcock. The second elution of HCl caused the ethyl to return to its natural non-proteated form. Preceding the second elution, sodium hydroxide was added was added to the seperatory funnel. The reaction that took place when NaOH was added was ethyl 4- aminobenzate and Cl- minus reacting
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This note was uploaded on 01/18/2012 for the course CHEMISTRY 308 taught by Professor Jonscaggs during the Fall '11 term at Boise State.

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conclusin solvent extraction - Conclusion-Solvent...

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