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Calculate the e.m.f. of the cell, Cr//...

Calculate the e.m.f. of the cell,
`Cr//Cr^(3+)(0.1 M) || Fe^(2+)(0.01 M)//Fe`
`"Given" : E_(Cr^(3+)//Cr)^(@)=-0.75" V ", E_(Fe^(2+)//Fe)^(@)=-0.45" V "`
`"Cell reaction" : 2Cr(s)+3Fe^(2+)(aq) to 2Cr^(3+)(aq)+3Fe(s)`
`{"Hint". E_(cell)=E_(cell)^(@)-(0.0591V)/(6)"log"([Cr^(3+)]^(2))/([Fe^(2+)]^(3)}`

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