CsBr crystallizes in a body centred cubi...

CsBr crystallizes in a body centred cubic latice. The unit cell length is 436.6 pm. Given that the atomic mass of Cs=133 and that of Br=80 amu and Avagadro number being `6.022xx10^23 mol^-1`. The density of CsBr is

`0.425gcm^-3`

`8.25gcm^-3`

`4.25gcm^-3`

`42.5 g cm^-3`

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