Definition:Amount of Substance
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Definition
The amount of a particular substance in a body composed of that substance is ultimately measured by a count of the number of elementary units it comprises.
Symbol
The usual symbol used to denote the amount of substance in a body is $n$.
Dimension
Amount of substance is one of the fundamental dimensions of physics.
In dimensional analysis it is assigned the symbol $\mathsf N$.
Units
The SI unit of measurement of amount of substance is the mole $\mathrm {mol}$.
The CGS unit of measurement of amount of substance is the gram-mole $\mathrm {g \, mol}$.
The FPS unit of measurement of amount of substance is the pound-mole $\mathrm {lb \, mol}$.
Also see
- Results about amount of substance can be found here.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): mole
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): mole