alleryEMF of standard Daniell cell at 25°C is approximately:
A2.20 V
B0.34 V
C0.76 V
D1.10 V
Answer & Solution
Correct answer: D. 1.10 V
E°_cell = E°_cathode - E°_anode = 0.34 V (Cu) - (-0.76 V) (Zn) = 1.10 V. Standard conditions: 1 M ions, 1 atm gas, 25°C.
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