【General guidance】The answer provided below has been developed in a clear step by step manner.Step1/1Answer.The lattice parameter of the BCC iron, a_{0} = 2.866 * 10 ^ 8 * cm Given that planar density of the 112 plane is, rho_{112} = 9.94 * 10 ^ 14 * atoms / c * m ^ 2...The lattice parameter of the BCC iron, a_(0) ... See the full answer