How many structural units are there in 3 moles of iron (Fe)?

Given: n (Fe) = 3 mol
Na = 6 * 10 ^ 23
Decision:
N = Na * n
N (Fe) = 3 mol * 6 * 10 ^ 23 = 18 * 10 ^ 23 iron atoms
Answer: N (Fe) = 18 * 10 ^ 23 iron atoms



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