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Question 15

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An aqueous mixture that is 0.100 M Ni2+ and 0.100 M Co2+ M is titrated with a 0.100 M CO32−.Which cation precipitates first and what is pCO32− at the first and second equivalence points.Ksp = 1.0 x 10−10 for CoCO3 and Ksp = 1.3 x 10−7 for NiCO3.

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Co2+ precipitates firs...

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