... g of Mo(CO)6, 10 mL mesitylene, about 50 mL of hexane, and 20 mL of dichloromethane. Quinn 2 1. Set up the apparatus (a condenser in the middle neck of the 3-necked flask with no water and stoppers on each side. One stopper must have a hole that can be covered up). 2. Weigh out 2.0 g (2.002 g) of Mo(CO)6 and put into the 250 mL 3 necked flask along with 10 mL of mesitylene and a stir bar. 3. Purge the flask for 5 minutes by inserting the tube with nitrogen through the top of the condenser and leaving the hole in the one stopper open. 4. With the nitrogen still on, but the hole covered, boil the solution for 30 minutes. The solution goes from clear to a clear yellow green color. 5. Allow the solution to cool to room temperature, then add 15 mL of hexane. 6. Suction filter and rinse ...

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