KI(aq) is slowly added to a solution with Pb 2 Ag 0 10 M For PbI 2 , K sp 7 1 x 10 9 for AgI, K sp 8 5 x 10 17 (a) Which precipitate should form first, PbI 2 or AgI (b) What I is required for the second cation to begin to precipitate (c) What concentration of the first cation to precipitate remains...

a Which precipitate should form first PbI2 or AgI To determine which precipitate forms first we need to compare the Qsp ion product of each salt to it ...

KI(aq) is slowly added to a solution with [Pb 2+ ] = [Ag + ] = 0.10

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KI(aq) is slowly added to a solution with [Pb²⁺] = [Ag⁺] = 0.10 M. For PbI₂, K_sp = 7.1 x 10^-9; for AgI, K_sp = 8.5 x 10^-17.

(a) Which precipitate should form first, PbI₂ or AgI?

(b) What [I¯] is required for the second cation to begin to precipitate?

(c) What concentration of the first cation to precipitate remains in solution at the point at which the second cation begins to precipitate?

(d) Can Pb²⁺(aq) and Ag⁺(aq) be effectively separated by fractional precipitation of their iodides?

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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Question Posted: Nov 27, 2023 02:57 AM

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KI(aq) is slowly added to a solution with [Pb 2+ ] = [Ag + ] = 0.10

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a Which precipitate should form first PbI2 or AgI To determine which precipitate forms first we need to compare the Qsp ion product of each salt to it...View the full answer

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