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Introduction for Qualititative Analysis

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Introduction: In this experiment, we address the concept behind qualitative analysis and the different ways to use it in identifying unknown substances with partial information. There were 3 main objectives behind the experiment as a whole. The first was to design an adequate flow chart that captured the true essence of how each cation interacted with its experimental anions. The second objective was to test each cation and to determine which cations and anions formed precipitates and which formed nothing. Finally, we were asked to use qualitative analysis on an unknown sample to determine which cations were present in the molecular makeup of the sample, combining our previous results collected in the first part of the lab with our new found skill of analysis. The concept behind determining the cations present in the ore sample was the notion of qualitative analysis. By identifying underlying properties of cations before testing an unknown sample, you can compare results from previous tests to the compound
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Unformatted text preview: you are searching for to find its molecular makeup with ease. Qualitative analysis offers one the opportunity to use previously recorded data to distinguish between certain characteristics, and discern whether or not it is valuable information or not. It is very important to know the background information of how to find a cation and its distinct properties before conducting this experiment. Every cation is separate from one another by unique properties that allow one to classify it as its own. For instance, in our experiment the cation Aluminum can be separated from the cation Barium on the sheer fact that they differ in an oxalate anion test, with one forming a precipitate while the other does not. This key property distinctly separates these two cations from being confused with one another, and allows one to characterize further data with differentiating information....
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