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Use the DHLL to obtain the solubility of PbF2 (Kosp = 4.0 x 10-9) at 25.0...

Use the DHLL to obtain the solubility of PbF2 (Kosp = 4.0 x 10-9) at 25.0 oC in:

(a) 0.10 M Pb(NO3)2

(b) 0.10 M NaNO3

(c) Pure water

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