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

Question 79

Multiple Choice

A sample contains MgNH4(PO4) 2, Sb2S3,KBr,Cr(OH) 3,and PbCl2.Identify the soluble ions 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

Correct Answer:

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