The pyknometric density of sodium chloride crystal is 2.165 x 103 kg m-3, while its X-ray density is 2.178 x 103 kg m-3. The fraction of the unoccupied sites in sodium chloride crystal is _______. (CBSE P.M.T. 2003)
A. 5.96
B. 15.96 x 10-2
C. 5.96 x 10-1
D. 5.96 x 10-3
Answer:D
The pyknometric density of sodium chloride crystal is 2.165 x 103 kg m-3, while its X-ray density is 2.178 x 103 kg m-3. The fraction of the unoccupied sites in sodium chloride crystal is _______. (CBSE P.M.T. 2003)
A. 5.96 B. 15.96 x 10-2 C. 5.96 x 10-1 D. 5.96 x 10-3