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Q.
The measured density of $ AgI $ is 6.94 g $ c{{m}^{-3}} $ and the theoretical density is $ 5.67\,g\,c{{m}^{-3}}. $ These data indicate the solid $ AgI $ has
CMC MedicalCMC Medical 2013
Solution:
The observed density is greater than the theoretical density. This is possible only if some impurities occupy interstitial space without distorting original unit cell.