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An acidic solution containing 0.020 M La +is treated with NaOH until La(OH), precipitates. At which pH does this occur Ksp for La(OH)3 is 2

An acidic solution containing 0.020 M La +is treated with NaOH until La(OH), precipitates. At which pH does this occur Ksp for La(OH)3 is 2 10-21.

ph =

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