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The Nernst equation for an electrode at 25 degrees Celsius contains the factor

  • A.0.0591 multiplied by n
  • B.n divided by 96 500
  • C.2.303 multiplied by n
  • D.0.0591 divided by n

Answer: D

The group 2.303RT over F evaluates to 0.0591 volts at 298 kelvin, and dividing by the number of electrons gives the change in potential per decade of concentration. For a two-electron electrode the figure is about 30 millivolts.

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