Performance Assessment Your teacher will supply you with a
Chapter 7, Problem 7.1.78(choose chapter or problem)
Performance Assessment Your teacher will supply you with a note card that has one of the following formulas on it: NaCH3COO 3H2O, MgCl2 6H2O, LiC2H3O2 2H2O, or MgSO4 7H2O. Design an experiment to determine the percentage of water by mass in the hydrated salt assigned to you. Be sure to explain what steps you will take to ensure that the salt is completely dry. If your teacher approves your design, obtain the salt and perform the experiment. What percentage of water does the salt contain? 6
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