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Sagot :
Answer:
10.1 h
Explanation:
Let's consider the reduction half-reaction of iron from an aqueous solution of iron (III) chloride.
Fe³⁺(aq) + 3 e⁻ ⇒ Fe(s)
We can calculate the time required to produce 5.00 moles of Fe using the following relationships.
- 1 mole of Fe is produced when 3 moles of electrons circulate.
- 1 mole of electrons has a charge of 96486 C (Faraday's constant).
- 1 A = 1 C/s.
- 1 h = 3600 s.
[tex]5.00molFe \times \frac{3 mole^{-} }{1molFe} \times\frac{96486C}{1mole^{-} } \times \frac{1s}{40.0C} \times \frac{1h}{3600s} = 10.1 h[/tex]
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