Предмет: Химия, автор: Лиферчучка

Масова частка Оксигену в оксидi елемента YI групи становить 37.8%.Установiть невiдомий елемент.

Ответы

Автор ответа: Estanislao

3

SeO3-оксид селена
w (O)=37%................

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