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Identifying Two Cations In An Unknown Solution

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Identifying Two Cations In An Unknown Solution
The purpose of the experiment was to identify two cations in an unknown solution using qualitative analysis. The unknown solution contained metal nitrate salts. Part A was supposed to contain either silver or lead. Part B was supposed to contain either calcium or barium. In part C, cation flame tests were performed.

1. Overall results and where they reasonable also exclude other results from each step
2. HCl was added to the unknown to form the precipitate. HCl was a good option because Cl is insoluble with lead and silver ions.
3. HCl is soluble in water. You add heat to break the bonds so that it can dissolve.
4. K2CrO4 was added in step 12 to see if a yellow precipitate was form. K2CrO4 was a good substance to use because it is insoluble
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