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A sample contains Ca3(PO4)2, HgS, AgCl, NH4Cl, and NiS. Identify the soluble ions after the addition...

A sample contains Ca3(PO4)2, HgS, AgCl, NH4Cl, and NiS. Identify the soluble ions after the addition of 6 MHCl; H2S and 0.2 MHCl; OH− to a pH of 8; and (NH4)2HPO4 with NH3.

NH4Cl
HgS
Ca3(PO4)2
NiS
AgCl
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