Engineering Board Exam Reviewer · Chemistry · medium
What is the standard cell potential of a Daniell cell (Zn | Zn2+ || Cu2+ | Cu)? (E°: Cu2+/Cu = +0.34 V, Zn2+/Zn = -0.76 V)
- -0.42 V
- -1.10 V
- 1.10 V
- 0.26 V
Answer
C. 1.10 V
Solution
E°cell = E°cathode − E°anode = 0.34 - (-0.76) = 1.10 V.
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