I keep getting “The mole” questions wrong in Some Basic Concepts (Mole Concept). What's the trap?
confusing number of moles with number of grams or molecules.
The usual trap: confusing number of moles with number of grams or molecules. How to avoid it: think of a mole like a 'dozen' — just a fixed count of particles. Go back to the definition — a counting unit for particles — one mole is 6.022×10²³ (Avogadro's number) of anything.
Key point
The mole
Common mistake
confusing number of moles with number of grams or molecules.
Memory tip
think of a mole like a 'dozen' — just a fixed count of particles.
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