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Ksyusha20
@Ksyusha20
July 2022
2
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1.Найдите ошибки в уравнениях.
4H2O+3CO2=2H2CO3
CaCO3=CaO+CO2
2AL(OH)3=AL2O3+H2O
3CaCL2+Na3(PO4)2+2NaCL
2.Напишите уравнения химических реакций.
Zn+H2SO4=ZnSO4+H2
Fe(OH)2=FeO+H2O
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Answers & Comments
Springflower
H2O+CO2=H2CO3
CaCO3=CaO+CO2
↑
- правильное
2Al(OH)3=Al2O3+3H2O
3CaCl2+2Na3PO4= Ca3(PO4)2
↓
+ 6NaCl
2.Напишите уравнения химических реакций.
Zn+H2SO4=ZnSO4+H2
↑
Fe(OH)2=FeO+H2O
1 votes
Thanks 1
mrvladimir2
Verified answer
1.h2o+co2=h2co3
caco3=cao+co2
2al(oh)3=al2o3+3h2o
3cacl2+2na3po4=ca3(po4)2+6nacl
2.4zn+5h2so4=4znso4+h2s+4h2o
fe(oh)2=feo+h2o
0 votes
Thanks 1
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Answers & Comments
CaCO3=CaO+CO2↑ - правильное
2Al(OH)3=Al2O3+3H2O
3CaCl2+2Na3PO4= Ca3(PO4)2↓ + 6NaCl
2.Напишите уравнения химических реакций.
Zn+H2SO4=ZnSO4+H2↑
Fe(OH)2=FeO+H2O
Verified answer
1.h2o+co2=h2co3caco3=cao+co2
2al(oh)3=al2o3+3h2o
3cacl2+2na3po4=ca3(po4)2+6nacl
2.4zn+5h2so4=4znso4+h2s+4h2o
fe(oh)2=feo+h2o