Which of the following is a balanced chemical equation?
Group of answer choices
SO2 + O2 + 2H2O ® 4H2SO4
2 Mg + HCl ® MgCl2 + H2
H2O2 ® H2O + O2
2 Fe2O3 + 3 C ® 4Fe + 3CO2
Group of answer choices
SO2 + O2 + 2H2O ® 4H2SO4
2 Mg + HCl ® MgCl2 + H2
H2O2 ® H2O + O2
2 Fe2O3 + 3 C ® 4Fe + 3CO2