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Автор - Snickers1227

Определите степень окисления вещест

Ответ

Автор - VladimirIvlev55

Ответ:Все на фото

У Фтора (-1), У натрия (+1)

Fe2O3: Железная окалина

Fe (3+), O(-2)

H3PO4:(орто)фосфорная кислота

У водорода +1, у кислорода -2, у фосфора +5

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