Equation 1)
Reactants | Coefficient | Products | Coefficient |
Zn | 1 | ZnCl2 | 1 |
HCl | 2 | H2 | 1 |
Notice that a one is understood to be the coefficient of a formula with no number in front of it.
Equation 2)
Reactants | Coefficient | Products | Coefficient |
KClO3 | 2 | KCl | 2 |
O2 | 3 |
Equation 3)
Reactants | Coefficient | Products | Coefficient |
S8 | 1 | SF6 | 8 |
F2 | 24 |
Notice that a one is understood to be the coefficient of a formula with no number in front of it.
Equation 4)
Reactants | Coefficient | Products | Coefficient |
Fe | 4 | Fe2O3 | 2 |
O2 | 3 |
Equation 5)
Reactants | Coefficient | Products | Coefficient |
C2H6 | 2 | CO2 | 4 |
O2 | 7 | H2O | 6 |