Size and weight of NaCl

.543nm by .543nm = LxW
5.43angstroms by 5.43 angstroms =LxW
5.43x10^-10 meters
58.44 g/mol
58.44 x 4 = 233.76 g
There are 4 Sodium Cloride atoms in one cube
The cube is a 1.5 by 1.5 cube approximately.