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Essay heading: Acid Base Extraction
 
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Issue: Science
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Date added: June 9, 2004
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No of pages / words: 6 / 1578
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to funnel and mix cautiously with stopper on Vent liberated carbon Carbon dioxide gas dioxide and shake the mixture was released three times thoroughly with frequent venting of the funnel Allow layers to separate Layer = H2O +NaHCO3 completely and draw off lower layer into 50ml Erlenmeyer flask 1 Add 10ml of 1...
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to funnel and mix cautiously with stopper on Vent liberated carbon Carbon dioxide gas dioxide and shake the mixture was released three times thoroughly with frequent venting of the funnel Allow layers to separate Layer = H2O +NaHCO3 completely and draw off lower layer into 50ml Erlenmeyer flask 1 Add 10ml of 1...
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Title Pages / Words Save
Acid Base Extraction
to funnel and mix cautiously with stopper on Vent liberated carbon Carbon dioxide gas dioxide and shake the mixture was released three times thoroughly with frequent venting of the funnel Allow layers to separate Layer = H2O +NaHCO3 completely and draw off lower layer into 50ml Erlenmeyer flask 1 Add 10ml of 1...
6 / 1578
Bromination of benzene: synthesis and purification of bromobenze
If there is a vigorous initial reaction, wait until this has almost stopped and then heat the water bath to a temperature of 25-30O C to initiate the reflux...
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Electrophilic addition
We washed the organic layer with a combination of 20ml of saturated sodium bicarbonate solution and 20ml of ether. Then we drained the lower aqueous layer and we kept the organic layer...
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Ozone Layer
Society has been widely addressed with the many problems that we are having in our environment today. A major problem is that of CFCs. CFC stands for Chlorofluorocarbons which are found in many of the aerosol spray cans...
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preparation of isopentyl acetate
One way is to remove product as it forms. The other way is to use a large excess of acetic acid. This experiment is based on the latter approach, but it raises two issues...
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purification of an ester
The contents were allowed to settle and then the water layer was discarded off. The crude ester was then extracted with 5% Sodium Bicarbonate to remove any acidic impurities...
2 / 523
Separation of three compounds
The flask and a test-tube of water were cooled in an ice-bath; then the benzimidazole was filtered by suction on a Hirsh funnel and washed with the cooled water, with recycling of the filtrate...
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