hoan thanh cac pthh
MgO+HCl ->
K2O+H2O ->
NaOH +H2SO4 ->
K2CO3+HCl ->
Na2SO4+BaCl2 ->
Al2O3+H2O->
CO2+KOH->
SO2+Ca(OH)2->
H2SO4+Ca(OH)2->
Al(OH)3 -to>
CuO+H2O -to>
CO2+ H2O ->
CaCO3 -to->
Fe+CuCl2 ->
Ag + CuSO4 ->
Cu(OH)2 -to->
KOH -to->
Na2CO3+ Ca(NO3)2 ->
Mg+AlCl3 ->
MgSO4 + KOH ->
`MgO+2HCl -> MgCl2 + H2O`
`K2O+H2O -> 2KOH`
`2NaOH +H2SO4 -> Na2SO4 + 2H2O`
`K2CO3+2HCl -> 2KCl + CO2 ↑ + H2O`
`Na2SO4+BaCl2 -> BaSO4 ↓ + 2NaCl`
`Al2O3+H2O->` ko xảy ra
`CO2 + 2KOH -> K2CO3 + H2O `
`SO2+Ca(OH)2-> CaSO3 ↓+ H2O`
`H2SO4+Ca(OH)2-> CaSO4 ↓+ 2H2O`
`2Al(OH)3 -to> Al2O3 + 3H2O`
`CuO+H2O` -to> ko xảy ra
`CO2+ H2O -> H2CO3` ( theo 2 chiều thuận nghịch )
`CaCO3 -to-> CaO + CO2`
`Fe+CuCl2 -> FeCl2 + Cu`
`Ag + CuSO4 `-> ko xảy ra
`Cu(OH)2 -to-> CuO + H2O`
`KOH `-to-> ko xảy ra
`Na2CO3+ Ca(NO3)2 -> CaCO3 ↓+ 2NaNO3`
`3Mg+2AlCl3 -> 3MgCl2 + 2Al`
`MgSO4 + 2KOH -> Mg(OH)2 ↓+ K2SO4 `
MgO+2HCl ->MgCl2+H2O
K2O+H2O ->2KOH
2NaOH +H2SO4 ->Na2SO4+2H2O
K2CO3+2HCl ->2KCl+CO2↑+H2O
Na2SO4+BaCl2 ->BaSO4↓+2NaCl
Al2O3+3H2O->2Al2(OH)3
CO2+KOH->KHCO3
2SO2+Ca(OH)2->Ca(HSO3)2
H2SO4+Ca(OH)2->CaSO4↓+2H2O
Al(OH)3 -to->AlO(OH)+H2O
CuO+H2O -to->Cu(OH)2
CO2+ H2O ->H2CO3
CaCO3 –>CaO+CO2↑
Fe+CuCl2 ->FeCl2+Cu
2Ag + CuSO4 ->Ag2SO4+Cu
Cu(OH)2 –>CuO+H2O
KOH -to->K2O+H2O
Na2CO3+ Ca(NO3)2 ->CaCO3+2NaNO3
3Mg+2AlCl3 ->2Al+3MgCl2
MgSO4 + 2KOH ->Mg(OH)2+K2SO4
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