Предмет: Химия, автор: TOPKAS

Определите массовую долю элемента в соединении SO3 оксид серы

Ответы

Автор ответа: YaroS23

0

М(SO3)=48+32=80г/моль
(S)=32/80=0,4=40%
(O)=100%-40%=60%

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