For the titration in Example 18 7, verify the assertion that Ag increases very rapidly between the point at which AgBr has finished precipitating and Ag 2 CrO 4 is about to begin Example 18 7 AgNO 3 (aq) is slowly added to a solution that has CrO 4 2 0 010 M and Br 0 010 M (a) Show that AgBr(s) should precipitate before Ag 2 CrO 4 (s) does (b) When Ag 2 CrO 4 (s) begins to precipitate, what is Br remaining in solution (c) Is complete separation of Br (aq) and CrO 4 2 (aq) by fractional precipitation feasible

Question: For the titration in Example 18-7, verify the assertion that [Ag + ] increases very rapidly between the point at which AgBr has finished precipitating

For the titration in Example 18-7, verify the assertion that [Ag⁺] increases very rapidly between the point at which AgBr has finished precipitating and Ag₂CrO₄is about to begin.

Example 18-7

AgNO₃(aq) is slowly added to a solution that has [CrO₄^2-] = 0.010 M and [Br^-] = 0.010 M.

(a) Show that AgBr(s) should precipitate before Ag₂CrO₄(s) does.

(b) When Ag₂CrO₄(s) begins to precipitate, what is [Br^-] remaining in solution?

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Step 1 Calculate the Ksp for AgBr and Ag2CrO4 The Ksp for AgBr is 50 10 The Ksp for Ag2CrO4 is 11 10 ... View full answer

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