Equations · equation

Avogadro's Law

Chemistry · 1811

Equation
V₁/n₁ = V₂/n₂
Field
Chemistry
Named After
Amedeo Avogadro
Symbols
V volume · n amount of gas (moles) · subscripts: two samples · holds at constant temperature and pressure
Significance
Equal volumes of any gas hold equal numbers of molecules — the insight that made molecular formulas countable and gave the mole its meaning.
Year
1811

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From the Equations database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.