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Iridium metal crystalizes in a face-centered cubic structure. The edge length of the unit cell was...

Iridium metal crystalizes in a face-centered cubic structure. The edge length of the unit cell was found by x-ray diffraction to be 383.9 pm. The density of iridium is 22.42g/cm^3. Calculate the mass of an iridium atom. Use Avogadro's number to calculate the atomic mass of iridium.

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