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Normalised measure of the molecules/atoms count total amount

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

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SymbolDimensionSI
units
UnitOil
metric units
Metric UnitOil
field units
Field Unit

LaTeX Math Inline
body\nu

1
mole
mol
mole

mol

mole

mol


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

mass of a substance with amount

LaTeX Math Inline
body\nu

LaTeX Math Inlinebodym
LaTeX Math InlinebodyM
molar 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

m

mass of a substance with amount LaTeX Math Inlinebody

\

nu

LaTeX Math Inline
bodyM

molar mass of a given substance LaTeX Math Inlinebody\

rho

densityof a given substance

It relates to the mass 

LaTeX Math Inline
bodym
 of a substance and molar mass of a given substance as:

It also relates to the substance volume 

LaTeX Math Inline
bodyV
 and substance molar volume 
LaTeX Math Inline
bodyV_m
 as:

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See Also

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Natural Science / PhysicsChemistry / Chemical Substance