CO2
Enter a chemical formula to calculate its molar mass and elemental composition:
Molar mass of CO2 is 44.0095 g/mol

Compound name is carbon dioxide
Convert between CO2 weight and moles
CompoundMolesWeight, g

Elemental composition of CO2ElementSymbolAtomic weightAtomsMass percent
CarbonC12.0107127.2912
OxygenO15.9994272.7088
Mass percent compositionAtomic percent composition

Sample reactions for CO2
EquationReaction type
CO2 + H2O = C6H12O6 + O2double replacement
CO2 + NH3 = OC(NH2)2 + H2Odouble replacement
CO2 + H2O = H2CO3synthesis
NaOH + CO2 = Na2CO3 + H2Odouble replacement
KO2 + CO2 = K2CO3 + O2double replacement
Formula in Hill system is CO2

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: What Would Happen If There Was An Imbalance Of Certain Enzymes In The Body

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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