The term limiting reactant should be defined and explain in what way the reaction is limited. Explain the meaning of the statement that one or more of the reactants are present in excess and also explain the effect on the reaction when the limiting reactant is consumed in the reaction.
A balanced chemical equation is an equation that contains same number of atoms as well as of each element of reactants and products of reaction.
For example, the reaction between lead sulphide and oxygen is as follows:
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