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Experiment 3 Discussion Determination of Chemical Formula

Experiment 3 Discussion Determination of Chemical Formula -...

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Experiment 3: Determination of a Chemical Formula and Chemical Nomenclature Discussion DO NOT write out the questions or number your answers in the discussion portion of the lab report. As you proceed through the experiment, keep the following questions in mind. When you have finished the experiment, include the answers, in paragraph form , to these questions as you write your experimental discussion. When your TA instructor grades your submitted discussion, he or she will look to see if the answers to the questions are addressed in your writing. Your writing will also be graded for misspellings and incomplete sentences (use spelling and grammar check). Note: It is not necessary to answer the questions in the order that they are presented below. 1. What were the objectives of this experiment? 2.
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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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