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Calculate the density (in g/cm3) of an AX compound given that it has the rock salt...

Calculate the density (in g/cm3) of an AX compound given that it has the rock salt crystal structure and that the radii of the A and X ions are 0.137 and 0.241 nm, respectively. Assume atomic weights of 30.7 and 100.2 g/mol for the A and X elements, respectively.

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