Lab report 6

Lab report 6 - 2. Add approximately 1 mL of KI to one test...

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Reactions and Qualitative Determination of Selected Metal Ions (Lab #6) Jesse LaSalle TA: Jimmy Martin Experiment Completed: October 25, 2007 Report Submitted: November 1, 2007
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I) Purpose: To observe reactions between nine metal ions and several reagents; To use observations made to determine the two ions in an unknown solution. II) Procedure: Casey, J. and R. Tatz (2008). Reactions and Qualitative Determination of Selected Metal Ions. General Chemistry Laboratory Experiments , Hayden McNeil. Vol.1: 53-64. F. Reactions of two unknown metal ions in an unknown solution. 1. Add approximately 1 mL of the unknown solution to two clean 4-mL test tubes.
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Unformatted text preview: 2. Add approximately 1 mL of KI to one test tube, stopper and shake. 3. Record all observations. 4. Add approximately 1 mL of NH 3 to the other test tube, stopper and shake. 5. Record all observations. III) Data: (See attached report form.) IV) Error analysis/Conclusion: There were a few possible sources for error in this laboratory experiment. At any point, when stoppering and shaking the tubes, there was a possibility of contamination from the stopper. Any contamination would cause inaccurate results....
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Lab report 6 - 2. Add approximately 1 mL of KI to one test...

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