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Al(2)O(3) is reduced by electrolysis at ...

`Al_(2)O_(3)` is reduced by electrolysis at low potentials and high current. If `4.0 xx 10^(4)` amperes of currernt is passed through molten `Al_(2)O_(3)` for 6 hours, what mass of aluminium is produced? (Assume 100 % current efficiency, At. Mass of `Al = 27 u`)

A

`8.1 xx 10^(4) g`

B

`2.4 xx 10^(5) g`

C

`1.3 xx 10^(4) g`

D

`9.0 xx 10^(3) g`

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The correct Answer is:
A
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