+**Avogadro's Law** states that equal volumes of all [Gases](/wiki/gas), at the same [Temperature](/wiki/temperature) and pressure, contain an equal number of molecules. This fundamental [Gas Law](/wiki/gas_law) highlights the direct proportionality between the volume and the number of moles of a gas when temperature and pressure are constant.
+## See also
+- [Ideal Gas Law](/wiki/ideal_gas_law)
+- [Mole](/wiki/mole)
+- [STP](/wiki/stp)
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