Question

CaCO3-CO2-H2CO3-FeCO3-Fe(OH)2-FeCl2 Пжжжж

Answer 1

Ответ:

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Answer 2

It seems like you've provided a series of chemical compounds and reactions. Here's a breakdown of the compounds and reactions you mentioned:

CaCO3: Calcium carbonate CO2: Carbon dioxide H2CO3: Carbonic acid FeCO3: Iron(II) carbonate Fe(OH)2: Iron(II) hydroxide FeCl2: Iron(II) chloride

Based on the compounds you provided, it appears to be a series of reactions involving the conversion of calcium carbonate (CaCO3) to iron(II) chloride (FeCl2) with the intermediate formation of carbon dioxide (CO2), carbonic acid (H2CO3), iron(II) carbonate (FeCO3), and iron(II) hydroxide (Fe(OH)2).

However, it is unclear what specific reaction or process you are referring to. If you could provide more information or context, I would be happy to assist you further.