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Electrolysis Mass Equation:
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The electrolysis mass equation calculates the amount of substance produced or consumed at an electrode during electrolysis. It's based on Faraday's laws of electrolysis and relates the quantity of electricity passed through the solution to the amount of substance involved in the reaction.
The calculator uses the electrolysis equation:
Where:
Explanation: The equation shows that the mass of substance produced at an electrode is directly proportional to the quantity of electricity passed through the electrolyte.
Details: These calculations are essential in electrochemistry, industrial electrolysis processes, electroplating, and battery technology. They allow precise control over the amount of material deposited or dissolved.
Tips: Enter the total charge in coulombs, molar mass in g/mol, and charge number (valence). All values must be positive numbers.
Q1: What is Faraday's constant?
A: Faraday's constant (F) represents the charge of one mole of electrons, approximately 96485 coulombs per mole.
Q2: How do I determine the charge number (z)?
A: The charge number is the absolute value of the ion's charge. For example, z=2 for Cu²⁺ or z=1 for Ag⁺.
Q3: Can this be used for any electrolysis reaction?
A: Yes, as long as you know the molar mass and charge number of the substance involved in the electrode reaction.
Q4: What are common applications of this calculation?
A: Industrial metal extraction (aluminum, copper), electroplating, water electrolysis for hydrogen production, and battery charging/discharging.
Q5: How accurate is this calculation?
A: The calculation assumes 100% current efficiency. In practice, side reactions may reduce the actual yield.