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Barium hydroxide Ba(OH)2 was dissolved in pure water at 5°C until a saturated solution was obtained....

Barium hydroxide Ba(OH)2 was dissolved in pure water at 5°C until a saturated solution was obtained. The pH of this solution was found to be 12.25.

a) What is the molar solubility of Ba(OH)2 in pure water at this temperature? Express your answer in mol/L. Show your work.

b) What is the Ksp of Ba(OH)2 at this temperature? Show your work.

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