Question

добери коеф.
1) SO² + O² = SO³
2) Li + O² = Li²O³
3) Fe + O² = Fe²O³​

Answer 1

Ответ:

1) 2SO² + O² = 2SO³

2) 4Li + 3O² = 2Li²O³

3) 4Fe + 3O² = 2Fe²O³​