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von Weimarn Ratio/Gravimetric Factors

3. What information, concerning optimum conditions of precipitation does the von Weimarn ratio give us?

von Weimarn Ratio/Gravimetric Factors. See attached file for full problem description.

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3. In precipitation, a precipitating agent is added to the sample solution. Upon addition of the first drops of the precipitating agent, supersaturation occurs, then nucleation starts to occur where every few molecules of precipitate aggregate together forming a nucleous. At this point, addition of extra precipitating agent will either form new nuclei or will build up on existing nuclei to give a precipitate. This can be predicted by von Weimarn ratio where, according to this relation the ...

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