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lab7.docx

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Pre-Lab Questions:
1. Under what conditions will a precipitate form?
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2. What information do you need to calculate percent yield?
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3. Where can you go to find the information regarding the atomic mass of an element?
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4. Why is atomic mass significant to calculating percent yield?
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Experiment 1: Testing for Calcium Ion, Ca2+
Post-Lab Questions:
1. In your own words define and describe a precipitation reaction.
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2. What is the name of your precipitate?
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3. What is the difference between Ca and Ca2+?
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