Which one of the following statements about electrochemical cells is correct? In the external wire, electrons travel from cathode to anode. The anode of a voltaic cell is labeled minus (–). In a salt bridge, current is carried by cations moving toward the anode, and anions toward the cathode. Oxidation occurs at the cathode, in an electrolytic cell. None of these choices are correct.
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Which one of the following statements about electrochemical cells is correct? In the external wire,...
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