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What is the light spectrum for copper sulfate?
What color flame does copper sulfate create when it is reacted with fire?

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1. Since this is not my area of expertise, I searched Google under the key words "copper sulfate flame" to get these possible sources:

http://en.wikipedia.org/wiki/Flame_test
http://en.wikipedia.org/wiki/Copper_sulfate
http://en.wikipedia.org/wiki/Emission_spectroscopy

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

I hope this helps. Thanks for asking.

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