Posted: August 18th, 2017

LiBH4 crystallizes in orthorhombic system with 4 molecules per unit cell. The unit cell dimensions are a = 6.8 Å, b = 4.4 Å and c = 7.2 Å. If the molar mass is 21.76, the density is

LiBH4 crystallizes in orthorhombic system
with 4 molecules per unit cell. The unit cell
dimensions are a = 6.8 Å, b = 4.4 Å and
c = 7.2 Å. If the molar mass is 21.76, the
density is _______.
(A) 0.6708 g/cm3
(B) 16708 g/cm3

(C) 2.6708 g/cm3
(D) 16.708 g/cm3