What is the number you place to the left of the formula for a substance taking part in a reaction?
You may refer to the
We can examine coefficient with reference to a standard combustion reaction; say that of methane (i), or ethane (ii), as shown........
And here these coefficients represent the stoichiometric proportions of reactants and products with reference to molar quantities.
All chemical reactions should be stoichiometrically balanced with respect to mass and charge............