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Определите массу железа, которую можно получить из 139,2 кг железной окалины, если выход железа составляет 75% от теоретически возможного
Ответы 2
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Железная окалина Fe3O4
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Автор:
axel3 - 5 лет назад
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0
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139.2g xgFe2O3+3CO=2Fe+3CO2160g 112gx=139.2*112/160=97.44gwпракт.=97.44*0.75=73%
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Автор:
britneystafford - 5 лет назад
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0
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