Exp 16 Molar Mass from Freezing Point UPDATED

3 place 500 ml of very hot tap water in a 600 ml

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Unformatted text preview: ce 500 mL of very hot tap water in a 600 mL beaker and assemble it as a hot-water bath. Clamp the 6-inch test tube so that it is well immersed in the bath. Heat the water with the burner to boiling until the naphthalene starts to melt. Once sufficiently melted, turn on the digital thermometer and place it in the test tube. 4. Shut off the flame once the temperature reaches approximately 90ºC. Carefully agitate the contents in the test tube with the thermometer until the naphthalene has completely melted. Allow to cool with the test tube immersed in the hot-water bath. 1 Adapted from Neil Jespersen, General Chemistry & Introduction to General & Organic Chemistry, 14th Ed. John Wiley & Sons, 2013 – 2014. Edited by Dr. Ishwar Sadarangani, CHE 1121 Lab Supervisor 5. Once the temperature drops to 85 ºC, start the timer and begin recording the temperature every 2...
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