When equal volumes of each solution are mixed, which combination will produce a precipitate of PbI2? (Ksp of PbI2 = 8.5 × 10−9)
(a) 2.0 × 10−3 M Pb(NO3)2 and 2.0 × 10−4 M NaI
(b) 4.0 × 10−2 M Pb(NO3)2 and 8.0 × 10−5 M NaI
(c) 2.0 × 10−3 M Pb(NO3)2 and 4.0 × 10−2 M NaI
(d) 4.0 × 10−3 M Pb(NO3)2 and 2.0 × 10−3 M NaI
(e) None of the above.
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