Question

Write the correct coefficients for the balanced equation:
H2 +
Cl2 →
HCl


Al +
H2SO4 →
Al2(SO4)3 +
H2


Na +
Cl2 →
NaCl



Fe +
H2O →
Fe3O4+
H2

Answer 1

H2 + Cl2 → 2HCl

2Al + 3H2SO4 → Al2(SO4)3 + 3H2

2Na + Cl2 → 2NaCl

3Fe + 4H2O → Fe3O4 + 4H2