Homework Help: chemistry

Posted by Victoria on Friday, December 7, 2012 at 8:24pm.

what are the equilibrium concentrations of Pb2+ and F- in a saturated solution of lead (II)flouride if the Ksp for PbF2 is 3.2*10^-8?

chemistry - DrBob222, Friday, December 7, 2012 at 10:18pm
..........PbF2 ==> Pb^2+ + 2F^-
I.........solid.....0.......0
C.........solid.....x.......2x
E.........solid.....x.......2x

Ksp = (Pb^2+)(F^-)^2
Substitute the E line into Ksp expression and solve for x and 2x.

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