Автор - vavilovaksenia4

Паааааамааааагииииитииииииииииии
Срочно!!

Ответ

Автор - andreylollol

Ответ:

1. 2h2s+3o2 = 2so2 +2h2o

2. 2so2+o2 = 2so3

3. so3 +h2o = h2so4

4. 2h2so4 + cu => cuso4 + so2+ 2h2o

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