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Acid Base Extraction
Beginning of essay
The purpose of this laboratory assignment was two-fold, first, we were to
demonstrate the extraction of acids and bases, finally, determining what
unknowns were present. Second, we were to extract caffeine from tea. These two
assignment will be documented in two separate entities.
Introduction: ....
Middle of essay
.... 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. to funnel and mix cautiously with stopper on
Vent liberated carbon Carbon dioxide gas dioxide and shake the
mixture was released three times thoroughly .... |
| Number of words: 1499 |
Approximate pages: 6 |
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