Frequently Asked Questions
What is the Faraday constant?
The Faraday constant is about 96485 coulombs per mole of electrons. It is the charge carried by one mole of electrons and links electric charge to amount of substance.
How do I find the electrons transferred?
The electrons transferred equals the charge on the ion being deposited. Silver ions need one electron, copper two plus ions need two, and aluminum three plus ions need three.
Why might real deposits be less than predicted?
Side reactions, gas evolution, and incomplete current efficiency mean a real cell often deposits less than the ideal Faraday amount.
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