Предмет: Химия, автор: Аноним

Осуществите превращения:

Са → СaCl2 → Ca → CaO → Ca(OH)2 → CaCO3 → Ca(HCO3)2 → CaCO3 → CaCl2 → Ca(NO3)2

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Ответы

Автор ответа: luzyaninairia
4

Ответ:1). 2Ca + O₂ = 2CaO.

2). CaO + H₂O = Ca(OH)₂.

3). Ca(OH)₂ + H₂CO₃ = CaCO₃ + 2H₂O.

4). CaCO₃ + H₂CO₃ = Ca(HCO₃)₂.

Объяснение:

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