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The metal palladium crystallizes in a face-centered cubic lattice with an edge length of 388.8 pm. What is the density of the palladium?

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388.8 pm = 3.888E-8 cm
Volume = (3.888E-8)³ of the cube.

mass of cube with 4 atoms/unit cell.
4*atomic mass Pd/6.02E23 = ?

density = mass/volume

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