Given mass density of silver, $\rho = 10.5 \times 10^{3} \, \text{kg/m}^{3}$ and atomic mass of silver, $m = 108 \, \text{g/mol} = 0.108 \, \text{kg/mol}$.
Number of atoms per unit volume can be calculated using the formula:
$$
N = \frac{\rho}{m} \times
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