A compound forms hexagonal close-packed structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral voids?

A compound forms hexagonal closed packed structure. What is the total number of voids in 0.5 mol of it ? How many of these are tetrahedral voids ?

A compound is formed hexagonal close-packed structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral voids?

A compound forms hexagonal close packed (hcp) structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral void?

A compound forms hcp structure. What is the total number of voids in 0.5 mol of it ? How many of these are tetrahedral voids ?

A compound forms hcp structure, what is the total number of voids in 0.5 mol of it? How many of these are tetrahedral voids?

In a crystalline compound AB, B atoms form hexagonal close-packed structure. What is the total number of voids in 0.25 mol of the compound?