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University of Texas ME 388G Problem 1: (33 points) The density of a NaCl crystal is 2.17 g/cm3 . The atomic mass of Na and Cl are 22.990 and 35.453 g/mole, respectively. Compute the atom densities (in atoms/b-cm) of Na and Cl in the crystal. Solution: The molecular weight of NaCl is     M NaCl g mole M NaCl g mole g mole M NaCl M Na M Cl ( ) 58.443 / ( ) 22.990 / 35.45 ...[Show More]

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