The statement that is right as regards a limiting reactants in a reaction is 5:.The limiting reactant is completely used up in the reaction.
Therefore, option 5, is correct.
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OTHER OPTIONS THAT COMPLETE THIS QUESTION ARE:
The limiting reactant has a lower mass than other reactants.
2.The limiting reactant dictates the amount of product.
3.The limiting reactant is always the same for a given reaction.
4.There will be an excess of other reactants at the end of the reaction.