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Chemistry Flame Test Lab Report Paper

Words: 354, Paragraphs: 4, Pages: 2

Paper type: Report , Subject: Chemistry

Hydrochloric Acid into the 50 ml beaker. 3. Clean the Monochrome wire before each test. To do this, rinse it with distilled water from the wash bottle, dip it into the Hydrochloric Acid, and place it in the burner flame for a few moments. 4. Take note of the color of the flame when the wire is clean. This is the color you should see after each cleaning. 5. Once the wire is clean, dip it into one of the solutions, place the wire in the flame, and observe the color of the flame. 6.

Essay Example on Lab Report On Flame Test

Clean the Monochrome wire as directed in step 3, then repeat step 5 until all of the solutions have been tested. Record your observations as you go. 7. Repeat steps 3 through 5 for each of the unknown solutions and try to determine what the solution may be based on your observations of the known substances. Data and Observations: Solution Color of Flame Barium Nitrate green/yellow to orange Copper Nitrate blue/green to orange Lithium Nitrate purple/red to orange Potassium Nitrate pink/purple Sodium Chloride bright orange

Calcium Nitrate red/orange Strontium Nitrate red to orange to yellow Unknown A red/orange – Calcium Nitrate Unknown B pink/purple – Potassium Nitrate Unknown C bright orange – Sodium Chloride The metallic ions that are present in the solutions are Barium Nitrate, Copper Nitrate, Strontium Nitrate, Lithium Nitrate, Potassium Nitrate, Sodium Nitrate, and Calcium Nitrate. Calcium Nitrate is present in Unknown A. Potassium Nitrate is present in Unknown B. Sodium Chloride is present in Unknown C. When the ions burn it is a chemical change.

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The colors we saw and the lines of the electromagnetic spectrum are all colors of the rainbow. Calculations: There were no calculations made in this lab. Conclusion: Barium Nitrate burns green/yellow. Copper Nitrate burns blue/green. Lithium Nitrate burns purple/red. Potassium Nitrate burns pink/purple. Sodium Chloride burns bright orange. Calcium Nitrate burns red/orange. Strontium Nitrate burns red, orange, and yellow. If other compounds containing the same metal ions were flame tested, I think that they would burn the same colors, unless mixed with others.

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