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Given : Cu^(2+)+2e rarrCu, E^(@)=+0.34V ...

Given : `Cu^(2+)+2e rarrCu, E^(@)=+0.34V and AG^(+)+e rarr Ag, E^(@)=+0.80V`. (i) Construct a galvanic cell with these two electrodes. (ii) If at `25^(@)C` the concentration of `Cu^(2+)` is 0.01 (M), what should be the value of concentration of `Ag^(+)` to make the cell potential equal to zero?

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(A) : If E^(0) " of " Cu^(2+)//Cu=+0.34V and E^(0) " of "Ag^(+) // Ag = + 0.80 V then galvanic cell constructed from these is Ag//Ag^(+) // // Cu^(2+ ) // Cu (R) : In any galvanic cell the reaction that takes place is a redox reaction Electrode potentials & EMF

E_(Cu)^(0)=+0.34V and E_(Ag)^(0)=+0.8V" calculate "E_(cell")^(0) .