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Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of Ti50Nb25Mo16Al57V28Cr25Zr17Sn14Co7Ni17Fe12Si14O14Y2N15 is 16813.8907 g/mol

Convert between Ti50Nb25Mo16Al57V28Cr25Zr17Sn14Co7Ni17Fe12Si14O14Y2N15 weight and moles
CompoundMolesWeight, g
Ti50Nb25Mo16Al57V28Cr25Zr17Sn14Co7Ni17Fe12Si14O14Y2N15

Elemental composition of Ti50Nb25Mo16Al57V28Cr25Zr17Sn14Co7Ni17Fe12Si14O14Y2N15
ElementSymbolAtomic weightAtomsMass percent
TitaniumTi47.8675014.2344
NiobiumNb92.906382513.8139
MolybdenumMo95.96169.1315
AluminumAl26.9815386579.1469
VanadiumV50.9415288.4832
ChromiumCr51.9961257.7311
ZirconiumZr91.224179.2234
TinSn118.710149.8843
CobaltCo58.93319572.4535
NickelNi58.6934175.9343
IronFe55.845123.9856
SiliconSi28.0855142.3385
OxygenO15.9994141.3322
YttriumY88.9058521.0575
NitrogenN14.0067151.2496

Computing molar mass step by step

First, compute the number of each atom in Ti50Nb25Mo16Al57V28Cr25Zr17Sn14Co7Ni17Fe12Si14O14Y2N15:
Ti: 50, Nb: 25, Mo: 16, Al: 57, V: 28, Cr: 25, Zr: 17, Sn: 14, Co: 7, Ni: 17, Fe: 12, Si: 14, O: 14, Y: 2, N: 15

Then, lookup atomic weights for each element in periodic table:
Ti: 47.867, Nb: 92.90638, Mo: 95.96, Al: 26.9815386, V: 50.9415, Cr: 51.9961, Zr: 91.224, Sn: 118.71, Co: 58.933195, Ni: 58.6934, Fe: 55.845, Si: 28.0855, O: 15.9994, Y: 88.90585, N: 14.0067

Now, compute the sum of products of number of atoms to the atomic weight:
Molar mass (Ti50Nb25Mo16Al57V28Cr25Zr17Sn14Co7Ni17Fe12Si14O14Y2N15) = ∑ Counti * Weighti =
Count(Ti) * Weight(Ti) + Count(Nb) * Weight(Nb) + Count(Mo) * Weight(Mo) + Count(Al) * Weight(Al) + Count(V) * Weight(V) + Count(Cr) * Weight(Cr) + Count(Zr) * Weight(Zr) + Count(Sn) * Weight(Sn) + Count(Co) * Weight(Co) + Count(Ni) * Weight(Ni) + Count(Fe) * Weight(Fe) + Count(Si) * Weight(Si) + Count(O) * Weight(O) + Count(Y) * Weight(Y) + Count(N) * Weight(N) =
50 * 47.867 + 25 * 92.90638 + 16 * 95.96 + 57 * 26.9815386 + 28 * 50.9415 + 25 * 51.9961 + 17 * 91.224 + 14 * 118.71 + 7 * 58.933195 + 17 * 58.6934 + 12 * 55.845 + 14 * 28.0855 + 14 * 15.9994 + 2 * 88.90585 + 15 * 14.0067 =
16813.8907 g/mol


Mass percent compositionAtomic percent composition

Formula in Hill system is Al57Co7Cr25Fe12Mo16N15Nb25Ni17O14Si14Sn14Ti50V28Y2Zr17

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, T, Ph, Me, Et, Bu, AcAc, For, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg
  • parenthesis () or brackets [].
  • Common compound names.
Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, nitric acid, potassium permanganate, ethanol, fructose, caffeine, water.

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.

Definitions

  • 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.
  • Mole is a standard scientific unit for measuring large quantities of very small entities such as atoms and molecules. One mole contains exactly 6.022 ×1023 particles (Avogadro's number)

Steps to calculate molar mass

  1. Identify the compound: write down the chemical formula of the compound. For example, water is H2O, meaning it contains two hydrogen atoms and one oxygen atom.
  2. Find atomic masses: look up the atomic masses of each element present in the compound. The atomic mass is usually found on the periodic table and is given in atomic mass units (amu).
  3. Calculate molar mass of each element: multiply the atomic mass of each element by the number of atoms of that element in the compound.
  4. Add them together: add the results from step 3 to get the total molar mass of the compound.

Example: calculating molar mass

Let's calculate the molar mass of carbon dioxide (CO2):

  • Carbon (C) has an atomic mass of about 12.01 amu.
  • Oxygen (O) has an atomic mass of about 16.00 amu.
  • CO2 has one carbon atom and two oxygen atoms.
  • The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol.

Lesson on computing molar mass

Weights of atoms and isotopes are from NIST article.

Related: Molecular weights of amino acids

molecular weights calculated today
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