Practice question
Question
How many Faradays are required to produce 20 g of magnesium from molten MgCl₂? (Atomic mass of Mg = 24 g/mol)
Explanation
Mg²⁺ + 2e⁻ → Mg . 1 mol Mg (24 g) requires 2F. Moles = (20/24) = 0.833 mol , Charge = 0.833 × 2 = 1.67 F .
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.