The equilibrium fraction of lattice sites that are vacant in silver (ag) at 500°c is 0.5 x 10-6. calculate the number of vacancies (per meter cubed

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Marcelo Beard

Chemistry

3 December, 21:35

The equilibrium fraction of lattice sites that are vacant in silver (ag) at 500°c is 0.5 x 10-6. calculate the number of vacancies (per meter cubed

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Wags · Answer 1

Missing question: Assume a density of 10.35 g/cm3 for Ag, A (Ag) = 107.87 g/mol.

N (Ag) = Na · d (Ag) : A (Ag).

N (Ag) = 6,023·10²³ atoms/mol · 10,35 g/cm³ · 10⁶ cm³/m³ : 107,87 g/mol.

N (Ag) = 5,78·10²⁸ atoms/mol.

Nv = 5,78·10²⁸ atoms/mol · 5·10⁻⁵.

Nv = 2,89·10²².