A metal has a fcc lattice. The edge length of the unit cell is 404 pm. The density of the metal is 2.72 g cm-3. The molarmass of the metal is : (NA Avogadro’s constant = 6.02 × 1023 mol–1)
27 g mol–1
30 g mol–1
40 g mol–1
20 g mol–1