Electrochemical equivalent from molar mass and valence ====================================================== Faraday's second law of electrolysis. The equivalent mass of a substance in general in chemistry is its molar mass divided by an integer depending on the chemical reaction in which the substance participates; in this case, the equivalent is the molar mass of the substance formed during ion discharge divided by the sum of the ion charges (measured in elementary units), resulting in a molecule or atom of the substance. **Notations:** #. :math:`\mathfrak{F}` (:code:`F`) is :attr:`~symplyphysics.quantities.faraday_constant`. **Links:** #. `Wikipedia, derivable `__. .. py:currentmodule:: symplyphysics.laws.chemistry.electrochemistry.electrochemical_equivalent_from_molar_mass_and_valence .. py:data:: equivalent :attr:`~symplyphysics.symbols.chemistry.electrochemical_equivalent`. Symbol: :code:`Z` Latex: :math:`Z` Dimension: :code:`mass/charge` .. py:data:: molar_mass :attr:`~symplyphysics.symbols.basic.molar_mass`. Symbol: :code:`M` Latex: :math:`M` Dimension: :code:`mass/amount_of_substance` .. py:data:: valence :attr:`~symplyphysics.symbols.chemistry.valence`. Symbol: :code:`v` Latex: :math:`v` Dimension: :code:`dimensionless` .. py:data:: law :code:`Z = M / (F * v)` Latex: .. math:: Z = \frac{M}{\mathfrak{F} v}