Electric Charge Formula:
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Definition: This calculator determines the electric charge transferred through a circuit based on the mass of ions and the equivalent weight of the substance.
Purpose: It helps chemists and physicists calculate the amount of charge involved in electrochemical reactions.
The calculator uses Faraday's law formula:
Where:
Explanation: The mass of ions is multiplied by Faraday's constant and divided by the equivalent weight to determine the total charge transferred.
Details: Accurate charge calculation is essential for understanding electrochemical processes, battery design, and electrolysis applications.
Tips: Enter the mass of ions in kilograms and the equivalent weight of the substance in kilograms. Both values must be greater than 0.
Q1: What is Faraday's constant?
A: Faraday's constant (96485 C/mol) represents the electric charge carried by one mole of electrons.
Q2: How do I find the equivalent weight?
A: Equivalent weight is the molar mass divided by the number of electrons transferred in the reaction.
Q3: What units should I use?
A: Use kilograms for both mass and equivalent weight to get charge in Coulombs.
Q4: Can I use grams instead of kilograms?
A: Yes, but both mass and equivalent weight must be in the same units (either both kg or both g).
Q5: What practical applications does this have?
A: This calculation is used in electroplating, battery charging/discharging, and industrial electrolysis processes.