What is the of is the Ecell of that voltaic cell is ?
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A voltaic cell is composed of the following 2 half reactions:
Au3+(aq) + 3eรขยย รขยย Au(s) Ecell=1.4 V
Cu2+(aq) + 2eรขยย รขยย Cu(s) Ecell=0.342 V
Determine the non-standard state Ecell at 298 K when Au3+(aq) = 0.198 M and Cu2+(aq) = 0.653 M.