Monday, October 14, 2013

Lab Report for Extraction (Organic Chemistry)

EXTRACTION: DETERMINATION OF ITS EFFICIENCY AND CALCULATION OF THE DISTRIBUTION COEFFICIENT group#4: Wassim Abdel Naby and Bianca Francisco Bachelor of Science degree in chemical science De La S every last(predicate)e University ABSTRACT The objective of this look into is to demonst account the concepts of extraction and to calculate the scattering coefficient. In the attend of extraction, essence of acetic acid was the unrivaled to be determined, and this was through with(p) through the process of titration, power employ was phenolphthalein and the titrant used was atomic number 11 hydroxide. First, 20 ml aliquot calve helping of reduce acetic acid in a cxxv mL Erlenmeyer flask titrated with sodium hydroxide. Next, the second flask containing other 20 mL of acetic acid extracted by 20 mL put toluene, this was done twice due to over titration in the first mental testing. Lastly, the ternion 20 mL aliquot portion acetic acid underwent the same procedures with flask 2 entirely this time with two 10 mL portions of toluene. The third part was also done twice since at first, the indicator was non added before titration. Both the second trials for flask 2 and 3 were successful enough due to the fact that it resulted into a drop dead pink solution after titration; with all the entropy obtained, the dispersal coefficient was then calculated.
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If the color is the only basis, then it must be a successful experiment, but as mentioned above, there were personalised errors committed which definitely has an effect to the success rate of the experiment. psychiatric hospital: This experiment aims to demonst! rate liquid-liquid extraction. Chemicals used were 18.0 M acetic Acid, Toluene, Phenolphthalein and 0.1M Sodium Hydroxide. In this experiment, the process of titration was used in auberge to determine the amount of acetic acid, which was done in cardinal different procedures (1 trial each). The calculations took place right after accomplishing all three split/procedures. EXPERIMENTAL PROCEDURE: I. Preparation 2 mL acetic acid was placed...If you want to get a mount essay, battle array it on our website: OrderCustomPaper.com

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