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December 20, 2014

Homework Help: Chemistry

Posted by Jematormal91 on Friday, April 6, 2012 at 4:36pm.

A solution contains 0.0500 M Ca2 (aq) and 0.0350 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate?

What percentage of the Ca2 (aq) can be separated from the Ag (aq) by selective precipitation?

-Solving the 1st one I got [Ca2+]= 5.03x10^-3 M

But, now how do I get the percentage by selective precipitation?

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