What Is the Mass of a Sample of Iron That

Multiple Choice

What is the mass of a sample of iron that has 5.00 × 10²² unit cells, if the iron crystallizes in a body-centered cubic lattice? The molar mass of iron is 55.85 g mol^-1.Hint: Use dimensional analysis and the number of atoms per unit cell.

A) 4.63 g
B) 9.27 g
C) 10.5 g
D) 2.32 g
E) 6.43 g