An electrochemical cell is constructed with a zinc metal anode in contact with a

Question

An electrochemical cell is constructed with a zinc metal anode in contact with a 0.0520M solution of zinc(II) nitrate and a silver cathode in contact with a 0.00420M solution of silver(I) nitrate. What is the value of Q to use in the Nernst equation for this cell?
Half-reactions: Zn 2+(aq) + 2e An electrochemical cell is constructed with a zinc metal anode in contact with a 0.0520M solution of zinc(II) nitrate and a silver cathode in contact with a 0.00420M solution of silver(I) nitrate. What is the value of Q to use in the Nernst equation for this cell?
Half-reactions: Zn 2+(aq) + 2e

Explanation / Answer

the overall reaction is

2 Ag^+ +Zn----------------->Zn^+2     + Ag

     

          

    Q= [Zn^+2]/[Ag^+]^2

     Q= 0.0520/(0.00420)^2

    Q= 12.3 mole^-1 lit

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