Compute the ph range that would allow al(oh)3 to precipitate

Reference no: EM13683034

Suppose a solution contains 0.27 M Pb2 and 0.45 M Al3. Compute the pH range that would allow Al(OH)3 to precipitate however not Pb(OH)2. The Ksp values for Al(OH)3 is 4.6*10-33 as well as Pb(OH)2 is 1.43*10-20

Minimum ______ <pH< ________ Maximum

No clue how to do this.

Al(OH)3 (s) -> Al^3+(aq) + 3OH^-(aq)

Pb(OH)2 (s) -> Pb^2+(aq) + 2OH^- (aq)

Reference no: EM13683034

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