How to find limiting reactant? | Limiting reactant practice problem - Dr K

In this video, we are going to answer this question: How to find limiting reactant? We are going to solve a word problem to find the limiting reactant. Often times, we are given information on the reactants involved in a reaction and then asked to find the limiting reactant. We will find the limiting reactant using an example. Here's the find limiting reactant practice problem:

10.0 g of sucrose combusts with 10.0 g of oxygen forming carbon dioxide and water. Which is the limiting reactant?

There are several steps involved when finding the limiting reactant. First, we need to start with a balanced equation. Then, we calculate the mol of the product from the given mass of the reactant. We do this for both reactants. It's important to note that we must calculate the mol of the same product. The reactant that produces the LEAST amount of product is the LIMITING REACTANT. Watch the video to see how these steps are executed.

🕑 Here's when you'll find:
0:00 Limiting reactant practice problem
0:48 Combustion of sucrose balanced equation
1:19 Finding limiting reactant
2:06 Mol of CO2 from sucrose
3:45 Mol of CO2 from oxygen
6:15 Steps required to find limiting reactant

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[angieg]

Good tip to calculate all the way to the products.