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In a crystal structure oxide ion forms C...

In a crystal structure oxide ion forms CCP. `A^(2+)` ion occupy one of the octahedral voids and `B^(3+)` ions are equally distributed between tetrahedral and octahedral voids.If `(1)/(8)` th of the tetrahedral voids are occupied by `B^(3+)` ion and sum of % occupancy of `B^(3+)` ion in octahedral and tetrahedral voids is `(x)/(2)` then the value of x is

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