AllMyCalculators

Faraday’s Law of Electrolysis Calculator

Links current and time to the mass of an element deposited. Choose what to find; the field for that value is ignored.

A
g/mol

Copper is 63.546 g/mol.

Cu²⁺ is 2, Ag⁺ is 1.

Answer
—

Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.

Mass deposited —
Charge passed — C
Moles of electrons — mol
Reading this —

The formula

mass = (I × t × M) ÷ (n × F)

I is current in amps, t is time in seconds, M is molar mass and F is 96,485 C/mol.

What to watch out for

The Faraday constant is the charge on one mole of electrons.

Frequently Asked Questions

How much copper does 2 A deposit in 30 minutes?

1.185 g.

What is the Faraday constant?

96,485.33 C/mol, the charge on one mole of electrons.