Saturday, April 20, 2013

Chem Lab

chem science laboratory Lab Report Introduction: The purpose of this lab was determining the molecular weight of an unknown solid constitutive(a) compound by freezing point depression. In gear up to do so, iodine has to first, freeze cyclohxane, by putting it in ice cold water, and see what the constant temperature comes out as. Then, one has to freeze .4 grams of there unknown, and cyclohexane by doing the same process and to a fault see what the constant temperature will come out as. later figuring out your constant temperature, on should then strumpet their numbers into the equations. Procedure: These equations were given in the lab procedures for investigate number ten Experiments for General Chemistry at Yavapai College dainty Impure temp time temp time 23.8 15 24.2 15 21.8 30 22.3 30 16.7 45 16.4 45 12.
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