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A unit cell of Nacl has four formula units. The edge length of unit cell is 0.564. The density of Nacl is


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Density = $\large\frac{n\times at.wt}{N_A \times a^3}$
$ = 2.16 g/cm^3$
Hence answer is (a)
answered Feb 25, 2014 by sharmaaparna1

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