K2CO3
Enter a chemical formula to calculate its molar mass and elemental composition:
Molar mass of K2CO3 is 138.2055 g/mol

Compound name is potassium carbonate
Convert between K2CO3 weight and moles
CompoundMolesWeight, g

Elemental composition of K2CO3ElementSymbolAtomic weightAtomsMass percent
PotassiumK39.0983256.5799
CarbonC12.010718.6905
OxygenO15.9994334.7296
Mass percent compositionAtomic percent composition

Sample reactions for K2CO3
EquationReaction type
K2CO3 + BaCl2 = KCl + BaCO3double replacement
AgNO3 + K2CO3 = Ag2CO3 + KNO3double replacement
K2CO3 = K2O + CO2decomposition
Pb(NO3)2 + K2CO3 = PbCO3 + KNO3double replacement
CaCl2 + K2CO3 = CaCO3 + KCldouble replacement
Formula in Hill system is CK2O3

Computing molar mass (molar weight)

To calculate molar mass of a chemical compound enter its formula and 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 and allows to convert from weight to 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.

See more: “ The Only Place Success Comes Before Work Is In The Dictionary

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

Molecular mass (molecular weight) is the mass of one molecule of a substance and 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 and 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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