Salt is a material that forms in a face-centered cubic unit cell of the NaCl molecules. Its lattice constant is 5.63 Å. Calculate the number density and mass density of its material.
a) Number density: 4.07×10²⁸ m⁻³, Mass density: 2.17 g/cm³
b) Number density: 2.17×10²⁸ m⁻³, Mass density: 4.07 g/cm³
c) Number density: 4.07×10²⁸ m⁻³, Mass density: 2.17 g/cm³
d) Number density: 2.17×10²⁸ m⁻³, Mass density: 4.07 g/cm³