Chemistry NMDCAT MCQs Moles and Avogadro's Numbers Moles and Avogadro’s Numbers

nmdcat.online July 13, 2026

Concerning stoichiometric calculations, the limiting reagent is identified because it

A. Produces the smallest amount of product

✓

B. Has the greatest molar mass

C. Is always present in the smallest mass

D. Remains completely unreacted

📝 Explanation

The limiting reagent is the reactant that is consumed first and determines the maximum amount of product formed. It is not necessarily the reactant with the smallest mass or highest molar mass. Concept tested: Limiting reagent concept.

📖 Additional Information

Produces the smallest amount of product
Has the greatest molar mass
Is always present in the smallest mass
Remains completely unreacted

The limiting reagent is the reactant that is consumed first and determines the maximum amount of product formed. It is not necessarily the reactant with the smallest mass or highest molar mass. Concept tested: Limiting reagent concept.

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