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Aldol Lab

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1)With 1-mL graduated pipet, measure 0.40 mL of the unknown labled “no.XX-.40 mL 2) With another 1ml graduated pipet measure 0.10 Ml of the unknown labled “no. XX- 0.10 mL” 3) Add the compounds to the same Erlenmeyer flask 4) Add 2.0 mL of 95% ethanol and 1.5 mL of 2 M sodium hydroxide solution to the flask 5)Stir with magnetic stirrer for 15 minutes or longer if precipitate still forming (if cloudy after 15 mina heat mixture on a asteam bath or in boiling water for 10 mins then cool to room temp) When precipitate is complete cool flask in ice-water bath for 10 mins MEANWHILE--- A)place 4 mL of 4 acetic acid in 95% ethanl in a test tube B)Repeat this procedure with 2mL of 4% acetic acid in 95 % ethanol (v/v) Chill the test tubes containing these solutions in the ice water bath. Collect the product by vacuum filtration Disconnect vacuum and rinse product with 2 Ml of ice cold ethanol Reconnect vacuum and draw the l...

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