Will a precipitate form (yes or no) when 50.0 mL of 1.2 × 10-3 M Pb(NO3) 2 are added to 50.0 mL of 2.0 × 10-4 M Na2S? If so, identify the precipitate.
A) Yes, the precipitate is PbS.
B) Yes, the precipitate is NaNO3.
C) Yes, the precipitate is Na2S.
D) Yes, the precipitate is Pb(NO3) 2.
E) No, a precipitate will not form.
Correct Answer:
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