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Calculate the cell potential of a cell h...

Calculate the cell potential of a cell having reaction: `Ag_S+2e^- For `H_2S:K_1=10^(-8)` and `K_2=1.1xx10^(-13)`
`K_(sp)(Ag_2S)=2xx10^(-49),E_(Ag^+//Ag)^0=0.8`

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