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Report Sheet 4: <strong>Chemical</strong> <strong>Formula</strong> <strong>of</strong> a <strong>Compound</strong>Student ______________________________ Lab Partner__________________________ Date Lab Performed__________Section #_________ Lab Instructor__________________________________________ Date Report Received ___________Lab Notebook: Data and ObservationsExperimental Data:Mass <strong>of</strong> empty 250-mL beakerMass <strong>of</strong> 250-mL beaker with copper (II) chloride sampleMass <strong>of</strong> copper (II) chloride sample (by subtraction)Mass <strong>of</strong> aluminum wire before reactionMass <strong>of</strong> aluminum wire after reactionMass <strong>of</strong> watchglass and filter paper (pre-weighed)Mass <strong>of</strong> watchglass, filter paper, and dried copper metal_________________________________________________________________________________________________________________________________________________________________Additional Data:Molar Mass <strong>of</strong> CopperMolar Mass <strong>of</strong> Chlorine______________________________________________Observations: Initial physical appearances <strong>of</strong> the copper (II) chloride solid, aqueous solution, and the aluminum wire. <strong>Chemical</strong> reaction <strong>of</strong> the aluminum wire with the copper solution, including the temperature change. Final physical appearance <strong>of</strong> the copper metal, aluminum wire, and filtered solution.C. Graham Brittain Page 6 <strong>of</strong> 9 9/28/2010
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