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The Solid State

Question
CBSEENCH12005447

How many octahedral voids are there in 1 mole of a compound having cubic closed packed structure? 

Solution
There are 1 mole of octhahedral voids in every one mole ofthe compound cotaining ccp structure.
since number of particles present in 1 mole compound =6.022 x 1023 
we know that number of octahedral voids=number of atoms in structure.