Cookeville Chemists use Avogadro's number every day. It is a very valuable number for a chemist to know how to use, and use properly.
Some possible answers follow.
This paper was translated into English from the French in Annals De Chimie et de Physique by Fredric Soddy and is available. Perrin, was the 1926 Nobel Laureate in Physics for his work on the discontinuous structure of matter, and especially for his discovery of sedimentation equilibrium. Perrin should be very well known to anyone who does calculations in molecular dynamics. Most of these methods were developed by Perrin. Here, follows a direct evidence.