The cubic volume is defined to be 0.478 nm along each edge.
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Andy Somody 97300-6222 ENSC 330 Assignment #3 1). The cubic volume is defined to be 0.478 nm along each edge. Since the unit cell has a cubic configuration, the volume of the unit cell can be determined by the following formula: Since each of the sides of the unit cell are defined to be 0.478 nm in length, the volume of the unit cell of CaO can be calculated to be: with significant figures applied The question also states that the cubic volume of CaO contains four Ca2+ ions and four O2- ions. The mass of the unit cell contributed by the ions is given by the following formula: Therefore, the contribution to the mass of the unit cell from each of the Ca2+ and O2- ions is given by modifying the above formula in the following manner. The mass of one mole of Ca2+ ions is equal to the atomic mass of calcium. The atomic mass of calcium is...

