|Enter a chemical formula to calculate its molar mass & elemental composition:|
|Molar mass of (m)H2O is 18.01528 ± 0.00044 g/mol |
Computing molar mass (molar weight)To calculate molar mass of a chemical compound enter its formula và click "Compute". In chemical formula you may use:Any chemical element. Capitalize the first letter in chemical symbol và use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmgparantesis () or brackets <>.Common compound names.Examples of molar mass computations: NaCl, Ca(OH)2, K4
Bạn đang xem: M + h2o = h2 + moh
Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows lớn convert from weight to lớn number of moles and vice versa.
Computing molecular weight (molecular mass)To calculate molecular weight of a chemical compound enter it"s formula, specify its isotope mass number after each element in square brackets.Examples of molecular weight computations: C<14>O<16>2, S<34>O<16>2.
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Definitions of molecular mass, molecular weight, molar mass and molar weightMolecular mass (molecular weight) is the mass of one molecule of a substance và is expressed in the unified atomic mass units (u). (1 u is equal lớn 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance & is expressed in g/mol.Weights of atoms & isotopes are from NIST article.Related: Molecular weights of amino acids
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