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Mathematics 12 Online
OpenStudy (anonymous):

Concentrated NaF(aq) is slowly added to a solution that is 0.010 M CaCl2 and 0.010 M MgCl2. a. What is the first precipitate to form? b. What [F-] is needed to start precipitating the second precipitate? c. Can Ca2+ and Mg2+ be separated by selective precipitation of their fluorides? Explain.

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