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Reaction: I 2 (s) + 2 Br - (aq) --> 2 I - (aq) + Br 2 (aq) Questions: Calculate the value of the cell potential, E, for this reaction at 298 K when...

Reaction: I2 (s) + 2 Br -(aq) --> 2 I - (aq) + Br2 (aq)


Questions:

  1. Calculate the value of the cell potential, E, for this reaction at 298 K when the concentrations of Br - is 0.10 M, I - is 0.0050 M, and Br2 is 1.0 M.
  2. How long must the electrolysis of a solution of AuPO4 be carried-out, at a current of 2.25 amps, to deposit 1.00 grams of gold metal at the cathode? (*note: phosphate is PO43-) *answer for number 2 is supposed to be in min*

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