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Помогите пожалуйста..очень надо
к 30 г 16,25%-ного раствора хлорида железа 3 прилили 50 г 12%-ого раствора гидроксида натрия.Масса образовавшегося осадка равна..
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Спасибо большое!))
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Автор:
dumbledore - 6 лет назад
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