A Sample Contains MgNH 4 (PO 4 ) 2 , Sb 2 S 3 ,KBr,Cr(OH) 3 ,and PbCl 2

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A Sample Contains MgNH 4 (PO 4 ) 2 , Sb 2 S 3 ,KBr,Cr(OH) 3 ,and PbCl 2

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A Sample Contains MgNH₄(PO₄)₂,Sb₂S₃,KBr,Cr(OH)₃,and PbCl₂

Question 111

Multiple Choice

A sample contains MgNH₄(PO₄) ₂,Sb₂S₃,KBr,Cr(OH) ₃,and PbCl₂.Identify the precipitate after the addition of 6 M HCl; then H₂S and 0.2 M HCl; then OH^-to a pH of 8; and then (NH₄) ₂HPO₄ with NH₃.

A) MgNH₄(PO₄) ₂
B) Sb₂S₃
C) KBr
D) Cr(OH) ₃
E) PbCl₂

A Sample Contains MgNH4(PO4)2, Sb2S3,KBr,Cr(OH)3,and PbCl2

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A Sample Contains MgNH₄(PO₄)₂,Sb₂S₃,KBr,Cr(OH)₃,and PbCl₂

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