Предмет: Химия, автор: grigorisuzbekoglu

Установите соответствие между формулой соединения и степенью окисления ее в этом соединении: к каждой позиции, обозначенной буквой, подберете соответствующую позицию, обозначенную цифрой. ФОРМУЛА СОЕДИНЕНИЯ СТЕПЕНЬ ОКИСЛЕНИЯ ЖЕЛЕЗА
А) Fe(OH)3 1) +6
Б) Na2Feo4 2) +2
B) FeSO4 3) +3
4) +4

Ответы

Автор ответа: polinaglad08
1
1) а
2) в
3) б
Вообщем правильный ответ. Можно лучший ответ? Пожалуйста)
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