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Moles & calculations
Connect particles, mass, and amount with explanations and a calculator.
Read an explanation, try some practice, or explore through play. Choose the approach that helps you today.
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4 resources
- guideFree
Understand the mole
Make sense of chemistry’s counting unit.
- referenceFree
Mole calculator
Work through conversions between mass and amount.
- guideFree6 min read
The Science Behind Periodic Mole
We built our chemistry games on published research: game-based learning, spacing, per-fact practice doses. And we say what we refuse to claim.
- guideFree4 min read
The Mole, Explained With a Carton of Eggs
A mole is the chemist’s counting word, like a dozen, and not a weight. Our egg analogy for molar mass, plus a free poster.