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The number of atoms in an iron bar can vary significantly based on its size. For a typical iron bar weighing about 1 kilogram, there are approximately 1.2 x 10^24 atoms of iron. This estimate is derived from the molar mass of iron, which is about 55.85 grams per mole, allowing for a calculation based on Avogadro's number. Thus, larger bars will contain exponentially more atoms.

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2d ago

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