What is the number of octahedral voids present in 0.2 mol of a compound forming hep structure?

Step-by-step solution

Number of atoms in 0.2 mol of the compound =0.2 N _ A =0.2 6.022 10²³=1.2044 10²³ atoms a. Number of octahedral voids aligned & = Number of atoms & =1.2044 10²³ aligned