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
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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