Asked by Martha
Why does CdS dissolve in HCL, when CuS and Bi2S3 will not?
Answers
Answered by
DrBob222
Who says Bi2S3 and CuS will not dissolve? In most circumstances they will
Answered by
Doc
Sulfur combines with H+ => H2S(g) and shifts the solubility equilibrium toward more ionization and increased solubility.
The formation of H2S essentially is removing S-2 from the solution forcing the metal-sulfide to decompose in order to replace the sulfur combined with the added H+.
The formation of H2S essentially is removing S-2 from the solution forcing the metal-sulfide to decompose in order to replace the sulfur combined with the added H+.
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