Three solutions are mixed together to form a single solution; in the final solution, there are 0.2 mol pb (ch3coo) 2, 0.1 mol na2s, and 0.1 mol cacl2 present. part a what solid (s) will precipitate? express your answer as a chemical formula. if there is more than one answer, separate them by a comma.

Question

Chemistry

Apple Jack

22 May, 20:54

Three solutions are mixed together to form a single solution; in the final solution, there are 0.2 mol pb (ch3coo) 2, 0.1 mol na2s, and 0.1 mol cacl2 present. part a what solid (s) will precipitate? express your answer as a chemical formula. if there is more than one answer, separate them by a comma.

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Answers (1)

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Dante Dunn · Answer 1

We are given the compounds:

0.2 mol pb (ch3coo) 2, 0.1 mol na2s, and 0.1 mol cacl2

Pb will react with both S and Cl to form a solid compound, therefore:

Pb+2 + S-2 - - - > PbS (s)

Pb+2 + 2Cl - - - - > PbCl2 (s)

Lead (II) sulfide and Lead (II) chloride will precipitate.