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alenakizirova
@alenakizirova
November 2021
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какое число молекул содержится 1кг брома и сколько в нем молей
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ЯковПервый
Дано:
m (Br2) = 1кг = 1000г
Найти:
N (Br2) - ?
n (Br2) - ?
Решение:
n (Br2) = m/M = 1000 / 160 = 6.25 моль
N (Br2) = n * 6.02 * 10^23 = 6.25 * 6.02 * 10^23 = 37.625 * 10^23
Ответ: n (Br2) = 6.25 моль; N (Br2) = 37.625 * 10^23
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Answers & Comments
m (Br2) = 1кг = 1000г
Найти:
N (Br2) - ?
n (Br2) - ?
Решение:
n (Br2) = m/M = 1000 / 160 = 6.25 моль
N (Br2) = n * 6.02 * 10^23 = 6.25 * 6.02 * 10^23 = 37.625 * 10^23
Ответ: n (Br2) = 6.25 моль; N (Br2) = 37.625 * 10^23