Orgo Lab 1

Orgo Lab 1 - Suneet Bhansali February 3, 2009 Separation of...

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Suneet Bhansali February 3, 2009 Separation of Components from a Mixture Introduction and Procedure The purpose of this experiment was to separate a mixture into its acidic and basic components by relying on the components’ different solubility characteristics, such as acidity, basicity, or neutrality. To begin, the flask was weighted to be 1.610g and the weight of the flask and the mixture was 3.018. Then the mixture, number 787, weighing 1.408g, was transferred to a 125-mL Erlenmeyer flask. To extract the base, 15-mL of ether and 15-mL of 5% NaOH was added. The flask was swirled until all of the materials dissolved and the mixture was poured into the separatory funnel. The Erlenmeyer flask was washed with 10-mL of ether and this was also put into the separatory funnel along with the mixture. The funnel was swirled and vented, in the hood to keep the funnel’s open end away from people. This processes of swirling and venting was repeated for 2 minutes. Here some of the mixture leaked out of the funnel. Upon completion of mixing protocol, two separated layers were noticed. The bottom aqueous layer was transferred to a clean Erlenmeyer flask by opening the stopcock, leaving the organic layer
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This document was uploaded on 11/04/2011 for the course CHEM 262 at UNC.

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Orgo Lab 1 - Suneet Bhansali February 3, 2009 Separation of...

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