Discussion
Faraday's second law states that equal quantities of electricity deposit masses proportional to the substances'
Answer: C
Correct answer: equivalent masses
The second law states that the same quantity of electricity liberates masses in the ratio of the substances’ equivalent masses - atomic mass divided by the change in oxidation number. So one faraday deposits 108 g of silver, which is univalent, but only 31.75 g of copper from the divalent state, since each copper ion needs two electrons.
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