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Sagot :
To produce a mass of 6. 38 g al using a current of 12. 50 amps the time required would be 7207.4 minutes.
What is faraday law?
It states that the chemical which is getting decomposed because of the flow of current within an electrolyte is directly proportional to the quantity of electricity passing through it.
W= Z × I × t Z = 1 coulomb
I = current
t = time
substituting the values
Z= 96500/Eq.wt
Al 3+ +3e − →Al n= 3
so, Eq= 27 / 3 = 9
t = W × Z / I
t = 9 × 96500 / 12.50
t = 7207.4 minutes.
Therefore the time required would be, 7207.4 minutes.
Learn more about Faraday law, here:
https://brainly.com/question/1640558
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