November 2021 0 12 Report
Пирит массой 750г содержащий 80 прроцентов Fes2 обжигают согласно уравнению химической реакции: 4FeS2+11O2=2Fe2O3+8So2 Количество вещества образовавшегося оксида серы(4) равно
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