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Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of CHIPSYWONBFKVMg2BiAuCuCfFeHeZnFeCoNiPoAtYbLuXeNeThKrBaRaLaCe is 3568.1131 g/mol

Convert between CHIPSYWONBFKVMg2BiAuCuCfFeHeZnFeCoNiPoAtYbLuXeNeThKrBaRaLaCe weight and moles
CompoundMolesWeight, g
CHIPSYWONBFKVMg2BiAuCuCfFeHeZnFeCoNiPoAtYbLuXeNeThKrBaRaLaCe

Elemental composition of CHIPSYWONBFKVMg2BiAuCuCfFeHeZnFeCoNiPoAtYbLuXeNeThKrBaRaLaCe
ElementSymbolAtomic weightAtomsMass percent
CarbonC12.010710.3366
HydrogenH1.0079410.0282
IodineI126.9044713.5566
PhosphorusP30.97376210.8681
SulfurS32.06510.8987
YttriumY88.9058512.4917
TungstenW183.8415.1523
OxygenO15.999410.4484
NitrogenN14.006710.3926
BoronB10.81110.3030
FluorineF18.998403210.5324
PotassiumK39.098311.0958
VanadiumV50.941511.4277
MagnesiumMg24.305021.3623
BismuthBi208.9804015.8569
GoldAu196.96656915.5202
CopperCu63.54611.7809
CaliforniumCf249.07485316.9806
IronFe55.84523.1302
HeliumHe4.00260210.1122
ZincZn65.3811.8323
CobaltCo58.93319511.6517
NickelNi58.693411.6449
PoloniumPo208.98243015.8569
AstatineAt209.98714815.8851
YtterbiumYb173.05414.8500
LutetiumLu174.966814.9036
XenonXe131.29313.6796
NeonNe20.179710.5656
ThoriumTh232.0380616.5031
KryptonKr83.79812.3485
BariumBa137.32713.8487
RadiumRa226.02541016.3346
LanthanumLa138.9054713.8930
CeriumCe140.11613.9269

Computing molar mass step by step

First, compute the number of each atom in CHIPSYWONBFKVMg2BiAuCuCfFeHeZnFeCoNiPoAtYbLuXeNeThKrBaRaLaCe:
C: 1, H: 1, I: 1, P: 1, S: 1, Y: 1, W: 1, O: 1, N: 1, B: 1, F: 1, K: 1, V: 1, Mg: 2, Bi: 1, Au: 1, Cu: 1, Cf: 1, Fe: 2, He: 1, Zn: 1, Co: 1, Ni: 1, Po: 1, At: 1, Yb: 1, Lu: 1, Xe: 1, Ne: 1, Th: 1, Kr: 1, Ba: 1, Ra: 1, La: 1, Ce: 1

Then, lookup atomic weights for each element in periodic table:
C: 12.0107, H: 1.00794, I: 126.90447, P: 30.973762, S: 32.065, Y: 88.90585, W: 183.84, O: 15.9994, N: 14.0067, B: 10.811, F: 18.9984032, K: 39.0983, V: 50.9415, Mg: 24.305, Bi: 208.9804, Au: 196.966569, Cu: 63.546, Cf: 249.0748535, Fe: 55.845, He: 4.002602, Zn: 65.38, Co: 58.933195, Ni: 58.6934, Po: 208.9824304, At: 209.987148, Yb: 173.054, Lu: 174.9668, Xe: 131.293, Ne: 20.1797, Th: 232.03806, Kr: 83.798, Ba: 137.327, Ra: 226.0254098, La: 138.90547, Ce: 140.116

Now, compute the sum of products of number of atoms to the atomic weight:
Molar mass (CHIPSYWONBFKVMg2BiAuCuCfFeHeZnFeCoNiPoAtYbLuXeNeThKrBaRaLaCe) = ∑ Counti * Weighti =
Count(C) * Weight(C) + Count(H) * Weight(H) + Count(I) * Weight(I) + Count(P) * Weight(P) + Count(S) * Weight(S) + Count(Y) * Weight(Y) + Count(W) * Weight(W) + Count(O) * Weight(O) + Count(N) * Weight(N) + Count(B) * Weight(B) + Count(F) * Weight(F) + Count(K) * Weight(K) + Count(V) * Weight(V) + Count(Mg) * Weight(Mg) + Count(Bi) * Weight(Bi) + Count(Au) * Weight(Au) + Count(Cu) * Weight(Cu) + Count(Cf) * Weight(Cf) + Count(Fe) * Weight(Fe) + Count(He) * Weight(He) + Count(Zn) * Weight(Zn) + Count(Co) * Weight(Co) + Count(Ni) * Weight(Ni) + Count(Po) * Weight(Po) + Count(At) * Weight(At) + Count(Yb) * Weight(Yb) + Count(Lu) * Weight(Lu) + Count(Xe) * Weight(Xe) + Count(Ne) * Weight(Ne) + Count(Th) * Weight(Th) + Count(Kr) * Weight(Kr) + Count(Ba) * Weight(Ba) + Count(Ra) * Weight(Ra) + Count(La) * Weight(La) + Count(Ce) * Weight(Ce) =
1 * 12.0107 + 1 * 1.00794 + 1 * 126.90447 + 1 * 30.973762 + 1 * 32.065 + 1 * 88.90585 + 1 * 183.84 + 1 * 15.9994 + 1 * 14.0067 + 1 * 10.811 + 1 * 18.9984032 + 1 * 39.0983 + 1 * 50.9415 + 2 * 24.305 + 1 * 208.9804 + 1 * 196.966569 + 1 * 63.546 + 1 * 249.0748535 + 2 * 55.845 + 1 * 4.002602 + 1 * 65.38 + 1 * 58.933195 + 1 * 58.6934 + 1 * 208.9824304 + 1 * 209.987148 + 1 * 173.054 + 1 * 174.9668 + 1 * 131.293 + 1 * 20.1797 + 1 * 232.03806 + 1 * 83.798 + 1 * 137.327 + 1 * 226.0254098 + 1 * 138.90547 + 1 * 140.116 =
3568.1131 g/mol


Mass percent compositionAtomic percent composition

Formula in Hill system is CHAtAuBBaBiCeCfCoCuFFe2HeIKKrLaLuMg2NNeNiOPPoRaSThVWXeYYbZn

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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