Question

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

Answer 1

Correct answer is: (A) 0.6708 g/cm³