Kc for the reaction Ag(CN)2^(-) leftrigh...

`K_c` for the reaction `Ag(CN)_2^(-) leftrightarrow Ag^(+) +2CN^(-)` at 298K is `4 times 10^-19 M^2`. Starting with 0.1M KCN and 0.03 `AgNO_3.` Calculate the equilibrium concentration of `Ag^+`

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`7.5 times 10^-18 M`

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