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If the equilibrium constant for the reac...

If the equilibrium constant for the reaction `Cd^(2+)(aq)+4NH_3(aq)iffCd(NH_3)_4^(2+)(aq)` is `10^x` then find the value of x.
(Given: `E_(Cd^(2+)"|"Cd)^(@)=-0.4V,E_(Cd(NH_3)_4^(2+)"|"Cd)^(@)=-0.61V`)

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