Limiting Reactant

Definition:
                Limiting reactant is the substance which controls the amount of product formed in a chemical reaction and is consumed earlier is called limiting reactant.
Explanation:
                    If amounts of reactants are put in chemical reactions, these amounts are completely used. Sometimes, amounts required by the reactions are not used during the reaction for the following purpose:
a: To ensure that the whole of the expensive reactant is completely consumed.
b: To make the reaction faster.
c:  To complete 100% reaction.
Example:
                In a chemical reaction, a large amount of oxygen makes the things to burn rapidly. Since oxygen used in excess and is left behind when the reaction is complete. The other reagent is consumed completely. That reactant which is consumed earlier is known as Limiting Reactant.
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