Question: Silver ion is being considered for separating I- from SCN2 in a solution that is 0.040 M in KI and 0.080 M in NaSCN. (a)

Silver ion is being considered for separating I- from SCN2 in a solution that is 0.040 M in KI and 0.080 M in NaSCN.
(a) What Ag1 concentration is needed to lower the I2 concentration to 1.0 × 10-6 M?
(b) What is the Ag+ concentration of the solution when AgSCN begins to precipitate?
(c) What is the ratio of SCN- to I- when AgSCN begins to precipitate?
(d) What is the ratio of SCN- to I- when the Ag+ concentration is 1.0 × 10-3 M?

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a Ag K sp I 83 10 17 10 10 6 83 10 11 M b Ag K sp SCN 11 10 12 0080 1375 10 1... View full answer

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