ChemlabP2 - Anthony Petrillo and Jason Kolbush Honors...

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Anthony Petrillo and Jason Kolbush Honors Chemistry 31 October 2010 Flame Tests In this experiment, we used flame tests to identify an unknown substance. When certain substances are heated, they produce a color. By testing known substances and then, testing an unknown solution, we can identify the unknown substance by comparing the colors. From the data received in the lab, it can be proven that our unknown solution contained Lithium. Materials Bunsen Burner Platinum Wire 3M HCl 1M lithium chloride 1M potassium chloride 1M calcium chloride 1M strontium chloride Unknown solution Procedures We first cleaned the Pt wire with HCl and heated it until all of the color was gone from the flame. This ensured that the wire was not contaminated with other chemicals. We then dipped the wire into the first compound, LiCl, and heated it. We recorded the color of the flame in our notebooks. We repeated these steps for the other three compounds, as well as for the unknown substance. It was important to remember to clean the Pt wire in
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ChemlabP2 - Anthony Petrillo and Jason Kolbush Honors...

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