Electrolysis: Faraday's laws

Set the current, time and metal to see the charge passed and the mass deposited at the cathode.

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Questions students ask

What is the Faraday constant?

The charge on one mole of electrons, about 96 500 C.

What formula does it use?

Q = It; moles of electrons = Q/F; mass = (moles of electrons ÷ charge on ion) × molar mass.

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