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moldirnugumano
@moldirnugumano
July 2022
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a)C---CO2---Na2CO3---CO2---CaCO3
б)Ca---CaO---CaSO4---CaO
в)Fe2(SO4)3---Fe(OH)3---Fe2O3---FeCl3 do 12 00)паж решитее)
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nurwat97
A)C+O2=CO2
CO2+2NaOH=Na2CO3+H2O
Na2CO3+H2O=2NaOH+CO2
CO2+CaO=CaCO3
b)2Ca+O2=2CaO
CaO+H2SO4=CaSO4+H2O
CaSO4+H2O=H2SO4+CaO
B)Fe2(SO4)3+6NaOH=3Na2SO4+2Fe(OH)3
2Fe(OH)3=Fe2O3+H2O
Fe2O3+6HCl=2FeCl3+3H2O
1 votes
Thanks 2
moldirnugumano
спасибо)
nurwat97
незачто
nastyakotova1
Ну я короче успела до 12:00 :з
хух)
1 votes
Thanks 1
moldirnugumano
спасиибо) можешь еще одну решить)
nastyakotova1
конечно могу))
moldirnugumano
надо реакция а)AlCl3; б)K2SO4; в)Na3PO4; г)BaSO4
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Answers & Comments
CO2+2NaOH=Na2CO3+H2O
Na2CO3+H2O=2NaOH+CO2
CO2+CaO=CaCO3
b)2Ca+O2=2CaO
CaO+H2SO4=CaSO4+H2O
CaSO4+H2O=H2SO4+CaO
B)Fe2(SO4)3+6NaOH=3Na2SO4+2Fe(OH)3
2Fe(OH)3=Fe2O3+H2O
Fe2O3+6HCl=2FeCl3+3H2O
хух)