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NaCl has a crystal structure containing ...

NaCl has a crystal structure containing face-centred cubic unit cells. The number of unit cell in `1.0 g` of NaCl is-

A

`2.56xx10^(21)`

B

`1.85xx10^(22)`

C

`2.37xx10^(23)`

D

`3.49xx10^(20)`

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The correct Answer is:
A
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