Silver ion is being considered as a reagent for separating I– from SCN– in a solution that contains 0.050 M KI and 0.060 M NaSCN Using 1.0 × 10–6 M as the criterion for quantitative removal, determine whether it is feasible to use Ag+ to separate I– from SCN– (to lower one species to 1.0 × 10–6 M before the other begins to precipitate). Explain why? Given: Ksp(AgI) = 8.3 × 10–17; Ksp(AgSCN) = 1.1 × 10–12 .

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Silver ion is being considered as a reagent for separating I–
from SCN–
in a solution that contains 0.050 M KI and 0.060 M NaSCN

Using 1.0 × 10–6 M as the criterion for quantitative removal, determine
whether it is feasible to use Ag+
to separate I–
from SCN–
(to lower one
species to 1.0 × 10–6 M before the other begins to precipitate). Explain
why?

Given: Ksp(AgI) = 8.3 × 10–17; Ksp(AgSCN) = 1.1 × 10–12
.

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