1) n = N/V = 5·10²⁴ / 40·10⁻³ = 1,25·10²⁶ м⁻³
2) m₀ = M / Na = 44·10⁻³ / 6,02·10²³ ≈ 7,3·10⁻²⁶ кг
3) p = (1/3)·n·m₀·(Vкв)²
p = (1/3)·1,25·10²⁶·7,3·10⁻²⁶ ·(400)² ≈ 4,9·10⁵
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Answers & Comments
1) n = N/V = 5·10²⁴ / 40·10⁻³ = 1,25·10²⁶ м⁻³
2) m₀ = M / Na = 44·10⁻³ / 6,02·10²³ ≈ 7,3·10⁻²⁶ кг
3) p = (1/3)·n·m₀·(Vкв)²
p = (1/3)·1,25·10²⁶·7,3·10⁻²⁶ ·(400)² ≈ 4,9·10⁵