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A diatomic molecule X 2 has a body-centred cubic (bcc) structure with a cell edge of 300 pm. The density of the molecule…

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A diatomic molecule X2 has a body-centred cubic (bcc) structure with a cell edge of 300 pm. The density of the molecule is 6.17 g cm–3. The number of molecules present in 200 g of X2 is:

[Avogadro constant (NA) = 6 × 1023]

a

\(40 N _{ A }\)

b

\(4 N _{ A }\)

c

\(2 N _{ A }\)

d

\(8 N _{ A }\)

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