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Unformatted text preview: Collect the solid by vacuum filtration, and wash it with a small amount of ice cold water. Dry the product to constant mass and weigh it in a tared vial. 2. Grind a small amount of the dry unknown component to a fine powder on a watch glass using a spatula or a flat bottomed stirring rod. Divide the solid into four nearly equal portions. Combine portions 1 and 2. Thoroughly mix portion 3 with an approximately equal amount of finely ground acetanilide, and thoroughly mix portion 4 with an approximately equal amount of finely ground phenacetin. In each case, record the temperature at which you see the first trace of liquid and the temperature at which the sample is completely liquid. Carry out at least two measurements with each. Name the product and calculate percent recovery. Data and Observations: Conclusion: Post Lab Questions:...
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This note was uploaded on 09/07/2010 for the course CHEM CH 2123 taught by Professor Heemoonpark during the Summer '10 term at Austin Community College.
- Summer '10