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That is, the molar mass of a chemical compound expressed in g/mol or kg/kmol is numerically equal to its average molecular mass expressed in Da. For example, the average mass of one molecule of water is about 18.0153 Da, and the mass of one mole of water is about 18.0153 g.
The molar mass is defined as the mass of a given substance divided by the amount of the substance, and is expressed in grams per mol (g/mol). That makes the molar mass an average of many particles or molecules (potentially containing different isotopes), and the molecular mass the mass of one specific particle or molecule. The molar mass is ...
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.
This template calculates the molecular mass (or molar mass) of a chemical compound. It is designed to be embedded in infoboxes {{ Infobox drug }} and {{ Chembox }} , but it can be used in-line just as well.
Cool thanks for that. Yeah I meant the molar mass in g.mol-1 vs. the molecular mass in Daltons. It's a very clear explanation now :-) Roddyboy 03:18, 16 May 2007 (UTC) The most common use of 'Daltons' is as a synonym for g/mol. When someone talks about a 254 kDa protein, they mean it has a molecular mass of 254,000 g/mol.
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Lysine carboxypeptidase has a molecular weight of between 270 and 330 kDa (kilodaltons). It is a tetrameric glycoprotein . It is composed of two 83 kDa subunits and two active subunits between 55 kDa and 48 kDa and these are held together by non-covalent interactions.
All cheese undergoes some degree of processing, but American cheese especially so. Experts explain whether or not American cheese is considered real cheese.