Question

Which chemical equation below is balanced correctly? 3LiOH + Fe(NO3)3 yields LiNO3 + Fe(OH)3 2NaCl + CaO yields Na2O + CaCl2 Zn + HCl yields ZnCl2 + H2 Mg + HCl yields MgCl2 + H2

Answer 1

The answer is 2NaCl + CaO yields Na2O + CaCl2. The balanced equation has the same number of the same element of the reactants and products.