Question

Which of the following substances will affect the solubility of Ag2S in aqueous solution? Select ALL...

Which of the following substances will affect the solubility of Ag2S in aqueous solution? Select ALL that apply.

Group of answer choices

NaOH

AgNO3

Na2S

HNO3

CaCl2

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Answer #1

Ag2S <----------> 2Ag+ + S-2

if we add substance which has common ion to Ag2S then solubility will decrease

for example if we add AgNO3 it has Ag+ which show common ion effect to decrease the solubility of Ag2S.

if we add Na2S it has S-2 common ion to Ag2S so solubility decrease

so answer = AgNO3 and Na2S

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