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Acid Base Extraction
Essay specific features
Written by:
Maurice F
Date added:
June 24, 2015
Level:
University
Grade:
A
No of pages / words:
6 / 1578
Was viewed:
3850 times
Rating of current essay:
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)...
displayed 300 characters
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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...
displayed 300 characters
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