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Normalised measure of the molecules/atoms number total amount

LaTeX Math Inline
bodyN
  of the constitutive particles (molecules/atoms) in a given volume of sample of substance:

LaTeX Math Block
anchor1
alignmentleft
\nu = \frac{N}{N_A}

...

where

 

LaTeX Math Inline
bodyN_A

...

 = 6.022140758(62) · 1023  mol−1 

Avogadro constant

The force applied perpendicular to the surface of an object per unit area over which that force is distributed



SymbolDimensionSI
units
UnitOil
metric units
Metric UnitOil
field units
Field Unit

LaTeX Math Inline
body\nu

1
mole

mole

mole

...


Alternative equations:

LaTeX Math Block
anchornu_m
alignmentleft
\nu = \frac{m}{M}
LaTeX Math Block
anchornu_V
alignmentleft
\nu = \frac{V}{V_m}

LaTeX Math Inline
bodym

mass of a substance with amount

LaTeX Math Inline
body\nu

LaTeX Math Inline
bodyV

substance volume

LaTeX Math Inline
bodyM

molar mass of a given substance

LaTeX Math Inline
bodyV_m

substance molar volume
Expand
titleDerivation
LaTeX Math Block
alignmentleft
\nu = \frac{N}{N_A} = \frac{ m_u \cdot N }{m_u \cdot N_A} = \frac{m}{M}

where

LaTeX Math Inline
bodym_u

molecular mass of a given substance
Expand
titleDerivation
LaTeX Math Block
alignmentleft
\nu = \frac{m}{M} = \frac{\rho \cdot V}{M}  = \frac{V}{V_m}

where

LaTeX Math Inline
body\rho

densityof a given substance


See Also

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Natural Science / PhysicsChemistry / Chemical Substance