Problem- given that ksp81 x 10-9 for barium carbonate baco3, Ask an Expert

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Problem- Given that Ksp=8.1 x 10^-9 for barium carbonate, BaCo3, and the Ka2=4.8x10^-9 for carbonic acid, H2CO3, calculate the molar solubility S of barium in a solution buffered at a pH of 4.00?

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