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Рассчитайте массы сульфата меди(II) и воды, которые необходимо взять для приготовления раствора массой 100 г, с массовой долей растворенного вещества 0,04.

Ответ:

тут8

05.06.2020 00:49

Правильный ответ а) 3Cl₂, потому что хлор - газ, а молекулы газов состоят из двух атомов, кроме молекул инертных газов.

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Ответ:

atrocities22

05.06.2020 00:49

А подойдет:

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