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glazkovdaniil
@glazkovdaniil
August 2022
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определить массу и количество частиц в трёх молях кислорода
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Bigbox67
N (O) = 3 мольm (O) - ?N (O) - ?Решение:M = m:n; m = n • M.Mr (O) = Ar (O) • 1= 16 • 1= 16.M (O) = 16 г/моль.m (O) = 3 моль • 16 г/моль = 48 г/моль.n = N:Na; Na = 6,02 • 10/23 моль в -1 степени.N = Na • n; N (O) = 6,02 • 10/23 моль в -1 степени • 3 моль = 18,06 • 10/23 атомов.
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