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Distillation and Boiling Points

Distillation and Boiling Points - Michael Chelala TA...

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Michael Chelala TA: Jaylene Ollivierre Date of Experiment: 10/01/2007 Submission Date: 10/15/2007 Distillation and Boiling Points
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Objective: The objective of this experiment is to distill a cyclohexane-toluene mixture by simple and fractional distillation and recording the boiling point. Then prepare a distillation curve. Reaction Equations: None Procedure: Simple Distillation: Step 1: Turn your hot plate on to level 7 and put a sand bath on it. Step 2: Add 4.0mL of cyclohexane, 4.0mL of toluene, and a few boiling stones to a 10mL round bottom flask. Step 3: Connect the Hickman distillation head to the flask and insert the thermometer into the apparatus. Step 4: Begin heating the flask in the sand bath, adjust the distillation rate by removing or adding sand around the flask with a spatula. Step 5: As soon as any distillate forms in the Hickman take the cap off the sidearm and draw out the liquid with a syringe. Record the volume of the distillate collected and the temperature at the time of each extraction.
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