The answer is 13,024.62g.
Solution:
Convert 18kg to g:
1 kilogram (kg) is equal to 1000 grams (g)
18kg * 1000 = 18,000g
Mass Percentage of Fe: 72.359%
Take 72.359% of 18,000g Fe₃O₄
18,000g * 0.72359
13,024.62g
Calculate the molecular weight of a chemical compound at Convertunits.com.
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