jun 10, 1811 - Amedeo Avogadro determines
that under the same conditions
of temperature and
pressure, equal volumes
of equal gasses contain
equal number of molecules.
The number of molecules
in one gram of a substance
is defined by the number
6.0221409×10^23,
called Avogadro's number.
Avogadro graduated college
at age 16.
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