(Answered) A consider a 005-mm thick 500 mm2 piece of aluminum foil

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(a) Consider a 0.05-mm thick, 500 mm2 piece of aluminum foil. How many unit cells exist in the foil?
(b) Calculate the mass of each unit cell using density of aluminum of 2.71 g/cm3.
(c) Calculate the mass of a unit cell using atomic weight of aluminum of 26.98 g/mol.

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