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How many unit cells are present in 5.0...

How many unit cells are present in 5.0 gm of crystal AB (formula mass of AB =40) having rock salt type structure ? (`N_(A)` = Avogadro 's no.)

A

`N_(A)`

B

`(N_(A))/(10)`

C

`4 N_(A)`

D

None of these

Text Solution

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The correct Answer is:
D
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