# A voltaic cell utilizes the following reaction and operates at 298 K : 3Ce4+(aq)+Cr(s)→3Ce3+(aq)+Cr3+(aq) Part A...

###### Question:

A voltaic cell utilizes the following reaction and operates at 298 K :
3Ce4+(aq)+Cr(s)→3Ce3+(aq)+Cr3+(aq)

Part A

What is the emf of this cell under standard conditions?

Part B

What is the emf of this cell when [Ce4+]= 1.9 M , [Ce3+]= 0.13 M , and [Cr3+]= 1.6×10−2 M ?

Part C

What is the emf of the cell when [Ce4+]= 7.0×10−3 M ,[Ce3+]= 2.0 M , and [Cr3+]= 1.9 M ?

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