Question

What is a limiting reactant?

• A. The reactant that is used up first and prevents more product from being made.
• B. The reactant that makes the product.
• C. The reactant that is used up last and prevents more product from being made
• D. The substance that is in excess that doesn't get used up as a reactant.
• E. The reactant that is never used up.

Answer 1

The correct option is A The reactant that is used up first and prevents more product from being made.

A limiting reactant is the reactant that is used up first and prevents more product from being made. When the limiting reactant is completely consumed, the reaction stops and no further product can be made.