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A galvanic cell is set up from a zinc ba...

A galvanic cell is set up from a zinc bar weighting 100 g and 1.0 L of 1.0 M `CuSO_(4)` solution. How long would the cell run assuming it delivers a steady current of 1.0 amp ?

A

24.6 hr

B

26.8 hr

C

53.6 hr

D

16.8 hr

Text Solution

Verified by Experts

The correct Answer is:
C
Moles of `Zn=(100)/(63.4)=1.53`
Moles of Cu in `CuSO_(4)=1` mole
1 mole of `CuSO_(4)` can be produced
`=2xx96500C`
Quantity of electricity, `Q=I xx t`
or `t=Q/I = (2xx96500)/(1)`
or `t=193000s = (193000)/(3600)=53.6` hr
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