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Formal Charge

How much char...

Question

How much charge in Earadavs is required for the reduction of $1$ mol of $A l^{3 +}$ to Al?

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Solution

Reaction :
$A l^{+ 3} + 3 e^{-} \to A l$

From the above reaction, 1 mol of $A l^{3 +}$ requires 3 moles of electrons.
Charge of 1 mole of electron = 96500 C.
So, the charge of 3 mole of electrons is 259500 C.

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