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Iron has a body centred cubic unit cell with a cell edge of 286.65 pm. The density of iron is 7.87 g cm -3 .

Iron has a body centred cubic unit cell with a cell edge of 286.65 pm. The density of iron is 7.87 g cm^-3. Use this information to calculate Avogadro’s number (At. mass of Fe = 56 g mol^-1).

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