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Calculate the theoretical density of an unidentified atom that has an HCP crystal structure if the...

Calculate the theoretical density of an unidentified atom that has an HCP crystal structure if the lattice constants are a = 300 pm and c = 450 pm. Atomic weight of the atom is 45.2 g/mol. Avogadro's number = 6.023 x 1023 atoms/mole.

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