Chem Lab Experiment

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Pre-Lab Questions:

1. Under what conditions will a precipitate form?

2. What information do you need to calculate percent yield?

3. Where can you go to find the information regarding the atomic mass of an element?

4. Why is atomic mass significant to calculating percent yield?

Experiment 1: Testing for Calcium Ion, Ca2+

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Post-Lab Questions:

1. In your own words define and describe a precipitation reaction.

2. What is the name of your precipitate?

3. What is the difference between Ca and Ca2+?

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