Question

The density of chromium is 7.2 g/cm3 and the cell volume is 2.40 x 10^-23 cm3. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number.

Molar Mass (g/mol)
Cr 51.996
Avogadro's No. (mol-1)
6.022x1023

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