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    Voltaic cell question

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    If lithium atoms are oxidized while tin ions are reduced...
    how do you explain

    -which one of these elements would be present at the cathode and at the anode?
    -to complete such a voltaic cell, a salt bridge would be necessary between the anode and the cathode...what's the purpose of this salt bridge?

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    Solution Preview

    A reduction requires electrons so occurs at the cathode - tin reaction occurs ...

    Solution Summary

    The expert examines lithium atoms being oxidized while tin ions are reduced. If these elements are present, the cathode and anode are determined. A salt-bridge is examined.