A binary salt AB(formula weight is 6.023 Y amu,where y is a arbiratory number) has rocksalt structurewith 1:1 ratio of A to B. The shortest distance A-B in unit cell is Y^1÷3 nm. Calculate density of saltin kg per m^3.
Aryav Srivastava , 7 Years ago
Grade 12
1 Answers
Ritu Bisht
Last Activity: 7 Years ago
as it is having rock salt structure so number of atoms per unit celll would be Z=8(4 anion+4 cation)
now for dimension of unit cell use a=2r where r= minimum distance between two atoms
now use formula : density=Z*formula mass/a3*NA where NA=avogadro’s number
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