1. Tardigrade
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  3. Chemistry
  4. A zinc rod is placed in 0.095 M solution of zinc sulphate at 298 K, the potential of the electrode at this temperature is[ EZno=-0.76 volts]

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Q. A zinc rod is placed in 0.095 M solution of zinc sulphate at 298 K, the potential of the electrode at this temperature is[ $ E_{Zn}^{o}=-0.76 $ volts]

AMUAMU 1999

Solution:

: $ {{E}_{cell}}=E_{cell}^{o}+\frac{0.0591}{n}\log [Z{{n}^{++}}] $ $ {{E}_{cell}}=-0.76+\frac{0.0591}{n}\log (0.095) $ $ =-0.76-0.030=0.79 $ volts.