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Write the equilibrium constant expressio...

Write the equilibrium constant expressions for the following reactions.
` Cu( s)+ 2Ag^(+) (aq) hArr Cu^(2+) (aq) + 2Ag(s)`

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`Cu(s) + 2Ag^(+) (aq) hArr Cu^(+2) (aq) + 2Ag(s)`
`K= ([Cu^(2+) (aq)] [Ag(s)]^(2))/([Ag^(+) (aq)]^(2) [Cu(s)])= ([Cu^(2+) (aq)])/([Ag^(+) (aq)]^(2))` (because [Ag(s)] = [Cu(s)]=1)
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