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kbibko
@kbibko
December 2021
1
3
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добыть 5 способами (минимум):
цинк сульфат;
карбон (4) оксид;
купрум (2) оксид.
---------------------------
помогите, пожалуйста.
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Answers & Comments
annasushko
Zn+H2SO4=ZnSO4+H2
ZnO+SO3=ZnSO4
Zn(OH)2+H2SO4=ZnSO4+2H2O
ZnCO3+H2SO4=ZnSO4+CO2+H2O
ZnCl2+Na2SO4=ZnSO4+2NaCl
C+O2=CO2
H2CO3=H2O+CO2
Na2CO3+H2SO4=Na2SO4+CO2+H2O
C(OH)4=CO2+2H2O
2Cu+O2=2CuO
Cu(OH)2=CuO+H2O
CuSO4=CuO+SO3
1 votes
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Answers & Comments
ZnO+SO3=ZnSO4
Zn(OH)2+H2SO4=ZnSO4+2H2O
ZnCO3+H2SO4=ZnSO4+CO2+H2O
ZnCl2+Na2SO4=ZnSO4+2NaCl
C+O2=CO2
H2CO3=H2O+CO2
Na2CO3+H2SO4=Na2SO4+CO2+H2O
C(OH)4=CO2+2H2O
2Cu+O2=2CuO
Cu(OH)2=CuO+H2O
CuSO4=CuO+SO3