1.

How much electricity in terms of Faraday is required to produce `40.0 g` of `Al` from molter `Al_(2)O_(3)`?

Answer» Eq. of `Al = (i.t)/(96500)`
`(6e+Al_(2)^(3+) rarr 2Al)`
`:.` Eq. `wt.` of `Al = (27)/(6//2)`
or `(40)/(27//3) = (i.t)/(96500)`
or i.t `= (120)/(27) xx 96500 = 4.44 F`


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