![]() ![]() Please let us know how we can improve this web app. Related: Molecular weights of amino acids The periodic table lists the atomic mass of carbon as 12.011 amu the average molar mass of carbonthe mass of 6. Weights of atoms and isotopes are from NIST article. The molar mass of any substance is its atomic mass, molecular mass, or formula mass in grams per mole. Molar mass ( molar weight) is the mass of one mole of a substance and is expressed in g/mol.(1 u is equal to 1/12 the mass of one atom of carbon-12) Molecular mass ( molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u).To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets.Įxamples of molecular weight computations:ĭefinitions of molecular mass, molecular weight, molar mass and molar weight the mass of one mole of carbon atoms is 12.011 grams 1 moles of atoms 6.022 x 1023 atoms (Avogadros number, NA). Since 2019, a mole of any substance has been redefined in the SI. No single carbon atom has a mass of 12.01 amu, but. This is the average atomic mass of carbon. ![]() ![]() Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa.Ĭomputing molecular weight (molecular mass) During that period, the molar mass of carbon-12 was thus exactly 12 g/mol, by definition. On the periodic table the mass of carbon is reported as 12.01 amu. Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg.Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al. Carbon is a non-metallic element that exists in various forms, including graphite, diamond, and amorphous carbon, with a black or colorless appearance depending on the form.Ĭomputing molar mass (molar weight)To calculate molar mass of a chemical compound enter its formula and click 'Compute'. ![]()
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