Explore the Electroplating Cell & Faraday's Law
Plate an object with copper, silver, nickel, zinc or gold and calculate the mass and thickness from the current. Free, no signup, runs in your browser.
- Free to use
- No signup
- Nothing to install
- Runs in your browser
Illustration. Open the tool for the real thing.
See it in action
The Electroplating Cell & Faraday's Law with sample data entered and the result showing.
What is the Electroplating Cell & Faraday's Law?
Plate an object with copper, silver, nickel, zinc or gold and calculate the mass and thickness from the current. It runs in your browser, so a change to a setting or a drag on an object shows up at once.
Jewellery, chrome car parts, tin cans, circuit boards and anti-corrosion coatings on steel are all made by electroplating.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
The anode dissolves and the cathode object gets coated.
Mass deposited = M × I × t ÷ (n × F).
More current or more time deposits more metal.
Plate for 30 minutes at 3 A with copper, then silver.
Double the current and check the mass doubles.
Make the area smaller and see the coating get thicker.
Used for
Pick one to see how it fits.
Electrochemistry learners
Chemistry students studying redox, batteries and electrolysis, and teachers who want a clear picture of where the electrons go.
Try it freeTeachers
For teachers: project the Electroplating Cell & Faraday's Law on the board, let students predict the result, then run it together and test this: Double the current and check the mass doubles. For students: change one thing at a time and write down what changes.
Try it freeHow it compares
A plain look at this tool next to the usual alternative.
| This simulation | Textbook diagram | |
|---|---|---|
| Interactive | Drag, tap and change settings | Fixed picture |
| Install | Nothing to install | Not needed |
| Cost | Free to use | Depends on the book |
Questions people ask
What is Faraday's law of electrolysis?
The mass of metal deposited is proportional to the charge passed: m = M I t / (n F), with F = 96485 C/mol.
Why is the object made the cathode?
Metal cations gain electrons at the cathode, so the metal is deposited there.
Is the Electroplating Cell & Faraday's Law free to use?
Yes. The Electroplating Cell & Faraday's Law is free, needs no signup or download and runs in your web browser. It is part of the Electrochemistry group of AZRS simulations.
Does the Electroplating Cell & Faraday's Law work on a phone or tablet?
Yes. The Electroplating Cell & Faraday's Law takes touch input as well as mouse input, so you can use its 3 adjustable settings with a finger. A larger screen makes the controls and graphs easier to read.
How do I use the Electroplating Cell & Faraday's Law?
1. In the Electroplating Cell & Faraday's Law, use the controls to change Plating metal, Current, Surface area of object. The simulation reacts instantly. 2. In the Electroplating Cell & Faraday's Law, pick an option such as Copper, Silver, Nickel, Zinc to switch modes or load an example. 3. In the Electroplating Cell & Faraday's Law, press "Start plating", "Pause", "Reset" to start, reset or change what is happening. 4. Start with this experiment: Plate for 30 minutes at 3 A with copper, then silver. Drag any glowing handle, object or slider with your mouse or finger and the Electroplating Cell & Faraday's Law responds in real time. 5. Change one setting at a time and watch which readout moves, then compare it with this idea: The anode dissolves and the cathode object gets coated.
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Plate an object with copper, silver, nickel, zinc or gold and calculate the mass and. Free to use.
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