The electrochemical equivalent of a metal is 1.3 x 10-7kgC-1. The mass of the metal...

JAMB 1998

The electrochemical equivalent of a metal is 1.3 x 10^-7kgC^-1. The mass of the metal which 2.0 x 10⁴C of electricity will deposit from a suitable electrolyte is

A. 6.5 x 10^-2kg
B. 2.6 x 10^-2kg
C. 6.5 x 10^-3kg
D. 2.6 x 10^-3kg

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Correct Answer: Option D

Explanation

m = QZ

= 2 x 10⁴ x 1.3 x 10^-7

= 2.6 x 10^-3kg

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The electrochemical equivalent of a metal is 1.3 x 10-7kgC-1. The mass of the metal...

Correct Answer: Option D

Explanation

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