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exp4 postlab.docx - Jessica Potter Professor Clement Gen...

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Jessica Potter Professor Clement Gen Chem 9/23/17 Experiment 4: Post Lab 1. The formula weight would be more than it would be if it had not been dissolved prior to addition of Mg in the solution. 2. The reaction was still taking place and splattering of solution may take place which decrease the amount of CU2+ in solution due to spilling of the contents hence it decreases the formula mass of unknown. 3. Then Cu2+ is still remaining in solution and then the precipitate formed by Cu is less is mass so the
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