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Calculate the value of equilibrium const...

Calculate the value of equilibrium constant for the reaction at 298 k.
`Cu(s) +2Ag^+(aq)rarrCu^(2+)(aq)+2Ag(s)`
`E^@`(Ag2+/Ag)`=0.80V`
and `E^@(`Cu2+/Cu`) =0.34V`

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