1.

A metallic element exists as a cubic lattice. Each edge of the unit cell is 2.88 Å and the density of the metal is 7.2gcm^(-3). The number of unit cells in 100 g of the metal is

Answer»

`5.82xx10^(23)`
`6.023xx10^(23)`
`8.52xx10^(23)`
NONE of these

Answer :A


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