SO3 + H2O → H2SO4
H2SO4 + Fe(OH)3 → Fe2(SO4)3 + 3H2O
Zn + O2 → ZnO
ZnO + H2O → Zn(OH)2
Zn(OH)2 → ZnO + H2O
Ca(OH)2 + CO2 → CaCO3 + H2O
CaCO3 + H2SO4 → CaSO4 + CO2 + H2O
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Verified answer
SO3 + H2O → H2SO4
H2SO4 + Fe(OH)3 → Fe2(SO4)3 + 3H2O
Zn + O2 → ZnO
ZnO + H2O → Zn(OH)2
Zn(OH)2 → ZnO + H2O
Ca(OH)2 + CO2 → CaCO3 + H2O
CaCO3 + H2SO4 → CaSO4 + CO2 + H2O