Предмет: Химия, автор: anastasiamelehova411

1.Массовая доля Мангана имеет наибольшее значение в соединении: а) МnО2; б) Мn2О3; в) Мn3О4; г) Мn2О7​

Ответы

Автор ответа: ypasolo1
1

Ответ:

Б)

Правильный ответ б) Б)

anastasiamelehova411: точно?
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