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Knowledge Bank

WIOPEDIA - The WIOTEC® electroplating encyclopaedia


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M

Molecular weight

Equivalent to molecular mass or molecular weight: The sum of the atomic masses of all atoms in a molecule. A distinction is made between the relative, dimensionless molecular mass and the absolute molecular mass, which is given as an atomic mass unit in kg, g or u.

Relative molecular mass= The molecular mass standardised to one twelfth of the mass of the carbon isotope 12C, which has no unit of measurement.

Absolute molecular mass= It can be given in the unit of measurement g. By dividing the molar mass M of a molecule by the number of particles in one mole NA, the absolute molecular mass mM is obtained: mM= M / NA

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WIOTEC® Ense GmbH & Co. KG
Auf den Geeren 9-11
59469 Ense-Höingen, Germany

WIOTEC® Arnsberg GmbH & Co. KG
Wagenbergstraße 55
59759 Arnsberg, Germany

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+49 2938 97833-0
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From metal to precious metal
The company WIOTEC® is your specialist for surface finishing and metalworking. In our electroplating shop, which is managed according to the latest environmental standards, we are capable of finishing both small parts and long parts of up to six meters. This makes us one of the leading and most efficient decorative surface coaters in Europe.

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