Предмет: Химия, автор: ioossdl

Напишите уравнения реакций, с помощью которых можно осуществить следующие превращения:
Cr → Cr2O3→ Cr 2(CO3)3→ CO2→ H.2CO3

Ответы

Автор ответа: svetka1574
1

Объяснение:

4Cr+3O2=2Cr2O3

Cr2O3+3CO2=Cr2(CO3)3

Cr2(CO3)3+6HCl=2CrCl3+3CO2+3H2O

CO2+H2O=H2CO3

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