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Unformatted text preview: absorbed some of the water molecules. In the future, the student should use a vacuum pump to dry the crystals, or wait longer for the water to evaporate. 4. The student added too much heated solution to his unknown. Therefore even when the solution cooled, there was enough solution for the unknown to stay in the solution. In the future the student should try to stop adding solvent immediately after the unknown completely dissolves. This will yield a more saturated solution, and therefore produce more crystals when the solution cools....
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This note was uploaded on 09/18/2011 for the course CHEM 3AL taught by Professor Li during the Spring '08 term at University of California, Berkeley.
- Spring '08