Respuesta :
Answer: C excess reactant
Reason: It is not catalyst because catalyst are not consumed. It is not product because it was one of the reactants. It is not limiting because there was excess left over.
Reason: It is not catalyst because catalyst are not consumed. It is not product because it was one of the reactants. It is not limiting because there was excess left over.
This means that the sodium bicarbonate in this experiment is the Excess reactant.
What is a Reactant?
These are the elements or compounds which are involved in a chemical reaction and react to form the products.
The reactants were sodium bicarbonate and acetic acid with small amounts of the former being unreacted at the bottom of the beaker means it's anm excess reactant.
Read more about Reactants here https://brainly.com/question/6421464