# Problem: 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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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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