We know that the molar mass of iron is $58.8 \, \text{g/mol}$. We can convert this to the weight per particle by multiplying it by the inverse of Avogadro's number ($6.022 \times 10^{23}$ particles/mol). This gives us:
\[58.8 \, \text{g/mol} \times \frac{1 \,
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