A voltaic cell utilizes the following reaction and operates at 298 K: 3 Ce4+(aq) + Cr(s)
Question:
3 Ce4+(aq) + Cr(s) → 3 Ce3+(aq) + Cr3+(aq)
(a) What is the emf of this cell under standard conditions?
(b) What is the emf of this cell when [Ce4+] = 3.0 M, [Ce3+] = 0.10 M, and [Cr3+] = 0.010 M?
(c) What is the emf of the cell when [Ce4+] = 0.010 M, [Ce3+] = 2.0 M, and [Cr3+] = 1.5 M?
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Related Book For 
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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