Assume a cell with the following reaction:
$C u (s) + 2 A g^{+} (1 \times 1 0^{- 3} M) \to C u^{2 +} (0.250 M) + 2 A g (s)$
$E$ ⁰_cell = 2.97V
E_cell for the above reaction is ___________V. (Nearest integer)
[Given: $lo g 2.5 = 0.3979$ , $T = 298 K$ ]

Question

Assume a cell with the following reaction:

$C u (s) + 2 A g^{+} (1 \times 1 0^{- 3} M) \to C u^{2 +} (0.250 M) + 2 A g (s)$

$E$ ⁰_cell = 2.97V

E_cell for the above reaction is ___________V. (Nearest integer)

[Given: $lo g 2.5 = 0.3979$ , $T = 298 K$ ]

TestHub · Accepted Answer

E = E 0 − 2 0.06 ​ lo g [ A g + ] 2 [ C u 2 + ] ​ = 2.97 − 2 0.06 ​ lo g ( 1 0 − 3 ) 2 0.25 ​ = 2.77 V

Chemistry - Electrochemistry Question with Solution | TestHub