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2. Molar mass - Wikipedia

   en.wikipedia.org/wiki/Molar_mass

   Molecular weight (M.W.) (for molecular compounds) and formula weight (F.W.) (for non-molecular compounds), are older terms for what is now more correctly called the relative molar mass (M r). [8] This is a dimensionless quantity (i.e., a pure number, without units) equal to the molar mass divided by the molar mass constant .

3. Molecular mass - Wikipedia

   en.wikipedia.org/wiki/Molecular_mass

   The terms "molecular mass", "molecular weight", and "molar mass" may be used interchangeably in less formal contexts where unit- and quantity-correctness is not needed. The molecular mass is more commonly used when referring to the mass of a single or specific well-defined molecule and less commonly than molecular weight when referring to a ...

4. Mass (mass spectrometry) - Wikipedia

   en.wikipedia.org/wiki/Mass_(mass_spectrometry)

   The dalton (symbol: Da) is the standard unit that is used for indicating mass on an atomic or molecular scale (atomic mass). [1] The unified atomic mass unit (symbol: u) is equivalent to the dalton. One dalton is approximately the mass of one a single proton or neutron. [2] The unified atomic mass unit has a value of 1.660 538 921 (73) × 10 ...

5. Mass fraction (chemistry) - Wikipedia

   en.wikipedia.org/wiki/Mass_fraction_(chemistry)

   Mass fraction can also be expressed, with a denominator of 100, as percentage by mass (in commercial contexts often called percentage by weight, abbreviated wt.% or % w/w; see mass versus weight). It is one way of expressing the composition of a mixture in a dimensionless size ; mole fraction (percentage by moles , mol%) and volume fraction ...

6. Molecular-weight size marker - Wikipedia

   en.wikipedia.org/wiki/Molecular-weight_size_marker

   Besides the most common use, as a way to calculate the molecular weight of the samples, other uses include allowing visual evidence of protein migration and transfer efficiency and are sometimes even used for positive control. [16] MW marker vs Protein Ladders A molecular weight marker is one type of protein standard.

7. Template : Structural properties of major testosterone esters

   en.wikipedia.org/wiki/Template:Structural...

   Structural properties of major testosterone esters; Androgen Structure Ester Relative mol. weight Relative T content b logP c; Position(s) Moiet(ies) Type Length a; Testosterone – – – – 1.00

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9. Dalton (unit) - Wikipedia

   en.wikipedia.org/wiki/Dalton_(unit)

   A protein whose molecule has an average mass of 64 kDa would have a molar mass of 64 kg/mol. However, while this equality can be assumed for practical purposes, it is only approximate, because of the 2019 redefinition of the mole .