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Represent the cell in which the given re...

Represent the cell in which the given reaction occurs :
`Mg(s)+2Ag^(+)(0.0001M)rarr Mg^(2+)(0.134M)+2Ag(s)`
Calculate its `E_("cell")` if `E_("cell")^(@)=3.17V.`

Text Solution

Verified by Experts

The cell can be written as -
`Mg|Mg^(2+)(0.130M)||Ag^(+)(0.0001M)|Ag`
For this cell, `E_("cell")=E_("cell")^(@)-(RT)/(2F)ln.([Mg^(2+)])/([Ag^(+)]^(2))`
`=3.17-(0.059)/(2)log.(0.130)/((0.0001)^(2))`
`=3.17-0.21=2.96V`
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