4Fe (s) + 3O2 (g) → 2Fe2O3 (s) Determine the number of electrons transferred for 1...

Question

Question

4Fe (s) + 3O2 (g) → 2Fe2O3 (s)

Determine the number of electrons transferred for 1 g of fe (s) reacted

Answer 1

Answer #1

1 mole of Fe transfer 3 mol of electron

Mole of Fe in 1 g = weight in gram / molecular mass = 1 / 56 = 0.018 mol

0.018 moles of Fe atom transfer = 0.018 X 3 = 0.054 mole

1 mole electron contain = 6.023 X 10²³ electron/ mol

0.054 moles contain = 0.054 X 6.023 X 10²³ = 0.325 X 10²³

Answer 2

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