A Sample Contains Ba₃(PO₄)₂, CdS,AgCl,NH₄Cl,and ZnS

question 181

Multiple Choice

A sample contains Ba₃(PO₄) ₂, CdS,AgCl,NH₄Cl,and ZnS.Identify the precipitate after the addition of 6 M HCl; H₂S and 0.2 M HCl; and OH^- to a pH of 8.

• A) Ba₃(PO₄)₂
• B) CdS
• C) AgCl
• D) NH₄Cl
• E) FeS

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