Предмет: Химия, автор: ekarinka38

ДАМ 30 БАЛЛОВ!!!
Масова частка оксигену та гідрогену у сполуках Н20, Н202. Пожалуйста ПОМОГИТЕ!!!!!

Ответы

Автор ответа: dawae

1

Ответ:

w(h)=2/18×100%=11%

w(o)=16/18×100%=89%

Объяснение:

ekarinka38: Спасибо большое за отзывчивость!!!!!

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