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Normalised measure of the molecules/atoms count total amount

LaTeX Math Inline
bodyN
  of the molecules/atoms in a given sample of substance:

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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 / Chemistry / Chemical Substance