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Okay1234
@Okay1234
October 2021
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определите массу 7 моль NO2.
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laimonanna
Смотрим в таблицу Менделеева - молярная масса N = 14, O₂ = 32.
Умножаем оба значения на 7 :
7N = 7*14 = 98
7O₂ = 32*7 = 224
Складываем оба значения : 98+224 = 322
Ответ : 322 г
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Answers & Comments
Умножаем оба значения на 7 :
7N = 7*14 = 98
7O₂ = 32*7 = 224
Складываем оба значения : 98+224 = 322
Ответ : 322 г