Question

The number of moles of electrons passed when a current of 2 A is passed through a solution of electrolyte for 20 minutes is:

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Answer 1

Answer:

Hey mate your answer is here

Explanation:

Current passed, I=2 A

Time for which current is passed  t=20 min=20 min×60 sec/min=1200 s

So, total charge flown, Q=It=2 A×1200 s=2400 C

Number of  moles of electrons  

n=  Q/96500

= 2400C/96500 C/mol e  −  

=2.487×10  −2   moles

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