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July 25, 2014

Homework Help: chemistry

Posted by Anonymous on Wednesday, February 15, 2012 at 11:21pm.

You are given a small bar of an unknown metal, X. You find the density of the metal to be 11.7 g/cm3. An X-ray diffraction experiment measures the edge of the unit cell as 5.12 angstroms. Assuming the metal crystallizes in a face-centered cubic lattice, what is the atomic weight of X in g/mole? (1 angstrom = 1 x 10^-8 cm)

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