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Why is it necessary to determine if a reactant is a limiting reagent in a reaction?A.Different products will start being formed once the limiting reagent is gone.B.The reaction will not happen if one of the reagents is a limiting reagent.C.The amount of product formed will be limited by the amount of the limiting reagent.D.Stoichiometry cannot be used to calculate amounts if there is a limiting reagent.SUBMITarrow_backPREVIOUS

Question

Why is it necessary to determine if a reactant is a limiting reagent in a reaction?A.Different products will start being formed once the limiting reagent is gone.B.The reaction will not happen if one of the reagents is a limiting reagent.C.The amount of product formed will be limited by the amount of the limiting reagent.D.Stoichiometry cannot be used to calculate amounts if there is a limiting reagent.SUBMITarrow_backPREVIOUS

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Solution

The correct answer is C. The amount of product formed will be limited by the amount of the limiting reagent.

Here's why:

In a chemical reaction, the limiting reagent (or limiting reactant) is the substance that is completely consumed when the chemical reaction is complete. The amount of product formed is limited by this reagent, since the reaction cannot continue without it. If any other reagents are present in excess, they will remain after the reaction stops, but no more product will be formed because all of the limiting reagent has been used up. Therefore, knowing which reactant is the limiting reagent allows us to calculate the maximum amount of product that can be formed in the reaction.

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