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to prepare 5.12 kg of aluminium metal by this method,would require


M.Santhosh kumar 27th Nov, 2019
Answer (1)
ADITYA KUMAR Student Expert 29th Nov, 2019

Hello there!


Greetings!


I am extremely sorry to tell you dear but you haven't completed your questions. But I guess the question is asking about the quantity of electricity required to produce the aluminium.


Now,from Faraday's first law ,we know that


W = ZQ


where w = Weight Z = Electrochemical equivalent and Q = Quantity of electricity

Now, E = Z F

where E = equivalent weight and F = faraday

or W = E/FQ

or Q = WF/E

or Q = WF/A/n

Thus, Q = nwf/A

= 35.121096500/27

= 5.49 10 C


Thus, to prepare 5.12 kg of aluminium metal we need 5.49 10 C of electricity



Thankyou

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