Which of the following metals will precipitate as chloride salts: Ag⁺,Pb²⁺,Ca²⁺,K⁺,and Cu²⁺?

Name: Which of the following metals will precipitate as chloride salts: Ag + ,Pb 2+ ,Ca 2+ ,K + ,and Cu 2+ ?
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AgS, PbS, and Hg2S are the only metals that will precipitate as chloride salts. In this case, Ag⁺ and Pb²⁺ will both form chloride salts. CaS and CuS will not react with chloride ions in solution, and K does not form a precipitate with chloride ions.

Which of the Following Metals Will Precipitate as Chloride Salts