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Where do cations travel to in a voltaic cell?

  1. Jan 22, 2016 #1

    TT0

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    1. The problem statement, all variables and given/known data
    A voltaic cell is set up and a chemical reaction proceeds spontaneously. Which of the following will not occur in this reaction?
    (A) The electrons will migrate through the wire.
    (B) The cations in the salt bridge will migrate to the anode half cell.
    (C) The cathode will gain mass.
    (D) The anode will lose mass.
    (E) Reduction will occur at the cathode.

    2. Relevant equations
    -

    3. The attempt at a solution
    The anode is negatively charged so I thought cations will travel to the anode but apparently this is not true. Can someone clarify this?

    Thanks!
     
  2. jcsd
  3. Jan 22, 2016 #2

    Suraj M

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    Gold Member

    What happens at the anode half cell?
    They mention the cations in the salt bridge
    So what is the use of a salt bridge?
    Try relating the answers to those 2 questions
     
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