question_answer

AB crystallises in a rock salt structure with A : B = 1 : 1. The shortest distance between A and B is \[{{Y}^{1/3}}\]nm. The formula mass of AB is 6.023 Y a.m.u. where Y is an arbitrary constant. The density (in \[\text{kg}\,{{\text{m}}^{-3}}\]) is __.

Answer:

5