Enter a chemical formula to calculate its molar mass và elemental composition:
Did you mean C3H7OH?Molar mass of C7H7OH is 108.1378 g/mol

Convert between C7H7OH weight & moles
CompoundMolesWeight, g

Elemental composition of C7H7OHElementSymbolAtomic weightAtomsMass percent
Mass percent compositionAtomic percent composition

Formula in Hill system is C7H8O

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 and 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,CuSO4*5H2O,water,nitric acid,potassium permanganate,ethanol,fructose.

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Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions & allows to convert from weight to number of moles and vice versa.

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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.

Definitions of molecular mass, molecular weight, molar mass and molar weight

Molecular 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 to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance và is expressed in g/mol.Weights of atoms and isotopes are from NIST article.Related: Molecular weights of amino acidsmolecular weights calculated today Please let us know how we can improve this web app.
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