A current of 0.5 amp is passed through excess of molten mixture of `Al_(2)O_(3)
Channel: Doubtnut
Date: 19/04/2020

A current of 0.5 amp is passed through excess of molten mixture of `Al_(2)O_(3)` and `Na_(3)AlF_(6)` for 9.65 hours. The mass of Al (in mg) deposited at the cathode, with (100/12)% current efficiency is (Al = 27).