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Flame Tests
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- Words:
- 574
- Submitted:
- Thu Jul 11 2002
... Flame Tests Summary: In this lab, our purpose was to determine the identity of an unknown solution. We tested each of 9 solutions and a solid. We identified the color by recording the spectroscope reading, through cobalt glass, and by observations by the naked eye. Our procedure included using a wire to get a sample of the substance and perform the flame test. To ensure proper colors, we cleaned each one by dipping them in HCl and then burning them. By comparing the flame color of the unknown substance to the flame color of the other substances, we were able to determine the identity of the solution. Data: Table1 Analysis and Interpretation: 2. There were many differences in our trials. While the majority of the metals burned a yellowish color, there was some variation. For example; LiCl, NaCl, Na2SO4,BaCl2, the NaCl crystals, and the combination of Na2SO4 plus K2SO4 all appeared to the
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