E2 | Recrystallization of Carboxylic Acids
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5 Terms
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Recrystallization
A purification technique used to remove impurities from solid compounds by dissolving them in a hot solvent and slowly cooling the solution to form pure crystals
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Purpose of boiling water “reservoir”
Provides a constant source of hot solvent (water) to dissolve benzoic acid during recrystallization
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Why use a stir bar or boiling stone in boiling water?
Prevents bumping (sudden boiling) by promoting smooth boiling
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Saturated solution
A solution that contains the maximum amount of solute (benzoic acid) that can dissolve at the solvent's boiling point
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Percent Recovery
(Mass of purified product / initial mass of crude sample) x 100
Note 
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