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JAMB Chemistry 2011 Paper

Question : 27

Total: 47

[Electrochemical equivalent]

Solution:

Concept:

Faraday's first law states that the mass of a substance deposited is directly proportional to the quantity of electricity passed.

Explanation:

Let

E

be the electrochemical equivalent of the substance.

Then, Faraday's first law is written as:

M = EQ

where

M

is the mass deposited and

Q

is the quantity of electricity consumed.

Answer:

M = EQ

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