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What Current In Amperes Will Deposit 2.7g Of Aluminium In 2 Hours? [Al = 27, F = 96 500 Cmol−¹] - Erudites Academy
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What current in amperes will deposit 2.7g of aluminium in 2 hours? [Al = 27, F = 96 500 Cmol−¹]

by | Oct 16 | Chemistry JAMB | 0 comments

A. 32
B. 8
C. 4
D. 16

Correct Answer: Option C

Explanation
Al3+ + 3e → Al
3 * 96500 → 27
I = 3600 * 2 → 27
I = (2.7/27) * ((3 * 96500)/(3600 * 2))
= 4.025 ≈ 4

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