Acid Base Extraction

Essay specific features

 

Issue:

Science

 

Written by:

Maurice F

 

Date added:

June 24, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

6 / 1578

 

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3850 times

 

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Essay content:

The procedure for this laboratory assignment are on the following pages. 3) Separation of Carboxylic Acid, a Phenol and a Neutral Substance The purpose of this acid/base extraction is to separate a mixture of equal parts of benzoic acid(strong acid) and 2-naphthanol(weak base) and 1,4- dimethoxybenzene(neutral) by extracting from tert-butylmethyl ether(very volatile)...
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Once the separation took place, and crystallization was carried out, it became possible to determine what components were in the unknown mixture, by means of a melting point determination. Results Procedure Observations Inference Dissolve 3.05g Phenol Mixture was a golden-Neutral acid in 30ml brown/yellow color t-butyl methyl ether in Erlenmeyer flask and transfer mixture to 125ml separatory funnel using little ether to complete the transfer Add 10 ml of water Organic layer=mixture aqueous layer=water(clear) Add 10 ml saturated aqueous Sodium bicarbonate NaHCO3 dissolves in solution sodium bicarbonate water...
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