Finding the value of Avogadro's number (Chemistry)...?
X-Ray diffraction studies show that gold consists of a repeating atomic arrangement where the repeating unit (called a cell unit) is a cube containing 4 gold atoms. Each side of the cube has a length of 4.08x10^-8 cm. The density of gold is 19.3 g / cm^3 and its atomic mass is 197.
Calculate the value of Avogadro's number from these data.