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For Educators · Electrolysis

Electrolysis for an equilibrium

Built for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs. Simulate an equilibrium live below — adjust the inputs and watch it respond, right in your browser.

Electrolysis (Faraday's Laws)Live

electroplating by the numbers

Controls

Presets

Metal

Current (A)

Time (minutes)

Faraday's laws tie electric charge to chemistry: the mass deposited equals (Q/F)·(M/z), where Q is total charge, F the Faraday constant, and z the ion charge. Double the current or time and you double the metal plated. Educational tool.

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Data Inspector

Charge passed3600 C

Moles deposited0.0187 mol

Mass deposited1.185 g

Governing equation

m = \frac{I t M}{n F} = \frac{2 \cdot 1800 \cdot 63.5}{2 \cdot 96485} = 1.185 g

Reading this result: Passing 3600 C plates 1.185 g of Copper. Each Copper ion carries 2 electrons, so it takes 2× the charge to deposit one atom — a higher ion charge means less metal per coulomb, even at the same current.

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Frequently asked questions

Is this good for educators?: Yes — this version of "Electrolysis for an equilibrium" is framed for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs.
Do I need to install anything?: No. It runs in any modern browser, free, with no account required.