Determine the overall cell reaction and E o   cell (at 25 ° C) of a Zn electrode in a 1.0 M Zn(NO3)2solution and a Sn electrode in a 1.0 M Sn(NO3)2 solution. E o     (Zn2+/Zn) = −0.76 V, E o     (Sn2+/Sn) = −0.14 V. What reaction occurs in the cell?    Zn(s) + 2H+(aq)  →  Zn2+(aq) + H2(g)    Zn2+(aq) + Sn(s)  →  Zn(s) + Sn2+(aq)    Sn2+(aq) + Zn2+(aq)  →  Sn(s) + Zn(s)    Sn 2+ (aq) + Zn (s)   →  Sn(s) + Zn2+(aq) Calculate the E o   cell . E o   cell =   V

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Determine the overall cell reaction and E
o
 
cell
(at 25
°
C) of a Zn electrode in a 1.0 M Zn(NO3)2solution and a Sn electrode in a 1.0 M Sn(NO3)2 solution. E
o
 
 
(Zn2+/Zn) = −0.76 V,
E
o
 
 
(Sn2+/Sn) = −0.14 V.


What reaction occurs in the cell?

  
Zn(s) + 2H+(aq
 Zn2+(aq) + H2(g)
  
Zn2+(aq) + Sn(s
 Zn(s) + Sn2+(aq)
  
Sn2+(aq) + Zn2+(aq
 Sn(s) + Zn(s)
  
Sn
2+
(aq) + Zn
(s)
 
 Sn(s) + Zn2+(aq)


Calculate the E

o
 
cell

.
 
E

o
 
cell

=

 

V

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