precipitation reactions

djhunter · #1 Jun 2, 2007, 05:02 PM

What concentration of F- is necessary to start he precipitation of SrF2 from a saturated solution of SrSo4?
Ksp of SrF2 is 7.9*10^-10
Ksp of SrSO4 is 7.6*10^-7
I do not know how to show the working for this question

Andreas_111 · Jun 11, 2007, 06:42 AM

Very nice exersise
you have 2 equations and 2 unknows. Think about it



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