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A solid having density of 9xx 10^(2) kg ...

A solid having density of `9xx 10^(2) kg m^(-2)` forms face centred cubic crystals of edge length `200 sqrt(2) `pm. What is the molar mass of the solid? [Avogadro constant `cong 6 xx 10^(22) m ol^(-1) , pi cong 3 ` ]

A

`0.0432 kg mol^-1`

B

`0.0216 kg mol^-1`

C

`0.0305- kg mol^-1`

D

`0.4320 kg mol^-1`

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