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daniela22meller
@daniela22meller
July 2022
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Пожалуйста, умные люди, помогите!
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svetka1574
Verified answer
А) Na2CO3+H2SO4=Na2SO4+CO2+H2O
Na2SO4+BaCl2=BaSO4+2NaCl
б) CuSO4+2NaOH=Cu(OH)2+Na2SO4
Cu(OH)2+2HCl=CuCl2+2H2O
в) K2CO3+CaCl2=CaCO3+2KCl
CaCO3-=CaO+CO2
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Answers & Comments
Verified answer
А) Na2CO3+H2SO4=Na2SO4+CO2+H2ONa2SO4+BaCl2=BaSO4+2NaCl
б) CuSO4+2NaOH=Cu(OH)2+Na2SO4
Cu(OH)2+2HCl=CuCl2+2H2O
в) K2CO3+CaCl2=CaCO3+2KCl
CaCO3-=CaO+CO2