Question

State the following:
Faraday’s first law of electrolysis

Hint:

Faraday’s first law quantifies the relationship between the quantity of electricity and the amount of material involved in electrolysis.

Answer 1

Faraday’s first law of electrolysis states that the amount of substance deposited or liberated at each electrode during electrolysis is directly proportional to the quantity of electricity passed through the electrolyte. $$m = \frac{M \cdot I \cdot t}{F}$$ Where: $m$ is the mass of the substance deposited or liberated, $M$ is the molar mass of the substance, $I$ is the current, $t$ is the time, and $F$ is Faraday’s constant (96500 C mol$^{-1}$).