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2. Molar mass - Wikipedia

   en.wikipedia.org/wiki/Molar_mass

   The molar mass of atoms of an element is given by the relative atomic mass of the element multiplied by the molar mass constant, M u ≈ 1.000 000 × 10 −3 kg/mol ≈ 1 g/mol. For normal samples from Earth with typical isotope composition, the atomic weight can be approximated by the standard atomic weight [ 2 ] or the conventional atomic weight.

3. Molar mass constant - Wikipedia

   en.wikipedia.org/wiki/Molar_mass_constant

   The molar mass constant, usually denoted by M u, is a physical constant defined as one twelfth of the molar mass of carbon-12: M u = M(12 C)/12. [1] The molar mass of an element or compound is its relative atomic mass (atomic weight) or relative molecular mass (molecular weight or formula weight) multiplied by the molar mass constant.

4. Amount of substance - Wikipedia

   en.wikipedia.org/wiki/Amount_of_substance

   The molar mass of a substance depends not only on its molecular formula, but also on the distribution of isotopes of each chemical element present in it. For example, the molar mass of calcium-40 is 39.962 590 98 (22) g/mol, whereas the molar mass of calcium-42 is 41.958 618 01 (27) g/mol, and of calcium with the normal isotopic mix is 40.078(4 ...

5. Avogadro's law - Wikipedia

   en.wikipedia.org/wiki/Avogadro's_Law

   For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant. The law is named after Amedeo Avogadro who, in 1812, [ 2 ] [ 3 ] hypothesized that two given samples of an ideal gas, of the same volume and at the same temperature and pressure, contain the same ...

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8. Talk:Molar mass - Wikipedia

   en.wikipedia.org/wiki/Talk:Molar_mass

   Molecular mass and molar mass mean what one expect today: respectively the mass of a single molecule (in g with a value near 10-27 g) and the mass of a mole (with a value of 1 g or more). However molecular weight is still used as an old-fashioned term normally given in g per mole, so the values are really molar mass although the term "molecular ...

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   Lamar Jackson threw for two touchdowns in a flawless first half, Derrick Henry scored twice while leading Baltimore’s devastating running game, and the Ravens beat the Pittsburgh Steelers 28-14 ...