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Current 10 amp passed througj cuso4 for 32min 10 sec.if 896ml oxy liberated at stp calculate efficiency of cell

Current 10 amp passed througj cuso4 for 32min 10 sec.if 896ml oxy liberated at stp calculate efficiency of cell

Grade:12

2 Answers

Vikas TU
14149 Points
7 years ago
from faraday’s law,
moles x valence factor = i*t/F
moles = i*t/F*n
          = 10*1930/2*96485
         = 0.100 approx.
Moles given at STP = 0.896/22.4 = 0.04
efficiency = (0.1-0.04)/0.1  * 100 => 60%
Pulkit Khandelwal
23 Points
7 years ago
Nmm thanks buddy.a small mistake valency factor n=4.because 2h2o gives o2 + 4h^+ +4eso the moles=.05 nd the answer is 80%

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