JEE Advanced Model Paper 13 with solutions for online practice

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Question : 22 of 60
 
Marks: +1, -0
MX is a crystalline ionic compound. X− ions make the ccp structure and M+ ionsoccupy the octahedral voids. The total number of voids left unoccupied in 0.5 molof the compound is a × 1023 . Whats is a ?
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