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Unformatted text preview: Why was sample of copper chloride hydrate heated? What changes did you observe during the heating? Were the changes chemical or physical or both? Explain. 3. Why was it necessary to add water to the heated sample? What changes did you observe after the water was added? Were the changes chemical or physical or both? Explain. 4. Why was the aluminum metal added to the solution that was created in step 4? What changes did you observe after the Al metal was added? Were the changes chemical or physical or both? Explain. 5. Briefly describe the processes used to recover the copper from the solution. What were your results; what was the mole to mole ratio of the copper to chloride? How many water molecules were attached to the copper chloride formula unit? Suggest ways of improving your results....
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This note was uploaded on 03/19/2011 for the course CH 204 taught by Professor Leytner during the Spring '08 term at University of Texas at Austin.
- Spring '08