promotion image of download ymail app
Promoted
Anonymous
Anonymous asked in Science & MathematicsChemistry · 1 month ago

Chem help?

Molten aluminun hydroxide is electrolyzed at 4.27 Amperes depositing 11.46 g of solid aluminum onto the cathode. How long did the electrolytic cell run?

1 Answer

Relevance
  • 1 month ago
    Favorite Answer

    Al{3+} + 3 e{-} → Al

    (11.46 g Al) / (26.98154 g Al/mol) x (3 mol e{-} / 1 mol Al) x (96485.3399 C/mol e{-}) /

    (4.27 A) = 28792 seconds = 7.998 hours

    • Commenter avatarLogin to reply the answers
Still have questions? Get your answers by asking now.