The magnesium and calcium ions present in seawater ([Mg2+] = 0.025M and [Ca] = 0.011 M) can be separated by selective precipitation with KOH. What minimum [OH-] triggers the precipitation of the Mg²+ ion?

The magnesium and calcium ions present in seawater ([Mg2+] = 0.025M and [Ca] = 0.011 M) can be separated by selective precipitation with KOH. What minimum [OH-] triggers the precipitation of the Mg²+ ion?

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Chapter15: Acid-base Equilibria

Section: Chapter Questions

Problem 9RQ: What is an acidbase indicator? Define the equivalence (stoichiometric) point and the end point of a...

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The magnesium and calcium ions present in seawater ([Mg²+] = 0.025M and [Ca²+] = 0.011 M) can be separated by selective precipitation with KOH. What minimum [OH-] triggers the precipitation of the Mg²+ ion?
Express the answer using two significant figures.
15| ΑΣΦ
[OH-]= 2.810-6
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