In the last chapter, we looked at qualitative analysis, which is used to identify the chemical species present in an unknown. After you identify which species are present, the obvious next step is to determine the relative amounts of each species that are present. The methods used to make that determination are collectively called quantitative analysis.
The key difference between qualitative analysis and quantitative analysis is that the former is not concerned with quantities. If you do a qualitative analysis on an unknown for the presence of potassium, for example, you care only whether potassium is ...
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