JAMB - Chemistry (2000 - No. 25)

(1/2)Zn2+(aq) + e- → (1/2) Zn(s)
In the reaction above, calculate the quantity of electricity required to discharge zinc.
[F = 96 500 C mol-1]
0.965 x 104C
4.820 x 104C
9.650 x 104C
48.200 x 104C

Explanation

1 mol → 96500 x 2
0.5 mol → X
X = 0.5 x 96500 x 2
= 9.650 x 104C

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