Chemistry · Class 11Some basic concepts of chemistry

Mole concept lab

Weigh out a substance and count its moles, split a molecule's mass by element, and run a reaction until one reactant runs out.

Substance
Each cube in the 3D view is exactly 1 mole.
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What's happening

Formula
NCERT Chemistry Class 11 · Ch. 1 Some Basic Concepts of Chemistry

Atomic masses: H 1.008, C 12.011, N 14.007, O 15.999, Na 22.990, Cl 35.45 u. Avogadro constant NA = 6.022 × 10²³ mol⁻¹. Molecule models are ball-and-stick, not to scale. Keys: 1–3 switch modes, R runs the reaction.

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