To a concentrated buffer of pH 4.0 is added an equal volume of a solution that is 0.020 M in Cr3⁺, Cd²⁺ and Al³⁺. The expected precipitate would consist of ________.
salt: chromium(III) hydroxide cadmium hydroxide aluminum hydroxide
Ksp 6.3 × 10^-31 2.5 × 10^-14 1.3 × 10^-33

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The Answer of To a concentrated buffer of pH 4.0 is added an equal volume of a solution that is 0.020 M in Cr3⁺, Cd²⁺ and Al³⁺. The expected precipitate would consist of ________. salt: chromium(III) hydroxide cadmium hydroxide aluminum hydroxide Ksp 6.3 × 10^-31 2.5 × 10^-14 1.3 × 10^-33

To a Concentrated Buffer of PH 4