Homework Help: chemistry

Posted by anonymous on Wednesday, April 21, 2010 at 3:36am.

Can Anyone Help Me With This Solubility Problem?
An aqueous solution of 1.90 M AgNO3 is slowly added from a buret to an aqueous solution of 0.0100 M Cl- and 0.250 M I-.
a) Which ion, Cl- or I-, is the first to precipitate?
b) When the second ion begins to precipitate, what is the remaining concentration of the first ion?
c) Is this separation feasible by fractional precipitation?

chemistry - bobpursley, Wednesday, April 21, 2010 at 7:06am
Consider the solubilities of AgI and AgCl. Starting with the fact that the I ion is already 25 times as prevalent as the Cl ion, which is likely (considering solubility) to precipate first? Is the solubility of the I 25 times as great?

Start with that type analysis.

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