posted by anonymous .
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?
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.