Which of the following pairs of aqueous solutions will form a precipitate when mixed? A) KOH + Na₂S B) (NH₄)₂SO₄ + NaI C) Pb(C₂H₃O₂)₂ + Li₂SO₄ D) KNO₃+ NaOH E) None of the above solution pairs will produce a precipitate.

Question

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Pb(C12H13O12)2 + Li2S will form a precipitate of PbS upon mixing. A and D will result in the formation of aqueous solutions, B will not form a precipitate as both are soluble and E does not represent a valid solution pair.

Which of the Following Pairs of Aqueous Solutions Will Form