Registered: 07/11/10
Posts: 1680
Loc: New Port Richey, Fla
If I did the calculations correctly... a 5gal bucket has about 3.8liters of oxygen contained in the 19L of volume of the air(O2 is about 20% of air)...corrected to 25C and 1 ATM that is .16mol of O2... assuming a mix of +2 and +3 oxidation state for the iron it needs about 15g of iron powder, assuming 100% reaction rate
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