Предмет: Химия, автор: annakarpenko19999

2. Розставте коефіцієнти в хімічних рівняннях:
а) Na+02-Na20;
б) Fe+HCI-FeCl2+H2;
в) Hgo-Hg+O2​

Ответы

Автор ответа: alinasaprykina00
1

Ответ:

a) все так же

b) Fe+ 2HCl - FeCl2 + H2

C) 2HgO - 2Hg + O2

Автор ответа: bahodirovairod0
5

Ответ:

Объяснение:

a)4Na+O2=2Na2O

б)Fe+2HCl=FeCl2+H2

в)2Hgo=2Hg+O2

Вот!

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