Recipes & Leftovers

Limiting reagents

An interactive lesson with 6 steps, about 5 minutes: you predict, drag and solve, with instant feedback on every answer. It runs in your browser and needs JavaScript.

What you’ll learn

• Balanced equations are recipes in moles.
• Convert grams → moles, apply the ratio, convert back.
• The limiting reagent runs out first and fixes how much product forms.

Steps

1. An equation is a recipe
2. Nothing left over
3. Grams of water
4. Which runs out?
5. Grams can fool you
6. Percentage yield