HHeLiBeBCNOFArNeTiAgHgAuCuFeUUuoVTcPoPbSnCaBaK molar mass

Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of HHeLiBeBCNOFArNeTiAgHgAuCuFeUUuoVTcPoPbSnCaBaK is 1962.8729 g/mol

Convert between HHeLiBeBCNOFArNeTiAgHgAuCuFeUUuoVTcPoPbSnCaBaK weight and moles

Compound	Moles		Weight, g
HHeLiBeBCNOFArNeTiAgHgAuCuFeUUuoVTcPoPbSnCaBaK

Elemental composition of HHeLiBeBCNOFArNeTiAgHgAuCuFeUUuoVTcPoPbSnCaBaK

Element	Symbol	Atomic weight	Atoms	Mass percent
Hydrogen	H	1.00794	1	0.0514
Helium	He	4.002602	1	0.2039
Lithium	Li	6.941	1	0.3536
Beryllium	Be	9.012182	1	0.4591
Boron	B	10.811	1	0.5508
Carbon	C	12.0107	1	0.6119
Nitrogen	N	14.0067	1	0.7136
Oxygen	O	15.9994	1	0.8151
Fluorine	F	18.9984032	1	0.9679
Argon	Ar	39.948	1	2.0352
Neon	Ne	20.1797	1	1.0281
Titanium	Ti	47.867	1	2.4386
Silver	Ag	107.8682	1	5.4954
Mercury	Hg	200.59	1	10.2192
Gold	Au	196.966569	1	10.0346
Copper	Cu	63.546	1	3.2374
Iron	Fe	55.845	1	2.8451
Uranium	U	238.02891	1	12.1266
Oganesson	Uuo	0.0000000	1	0.0000
Vanadium	V	50.9415	1	2.5953
Technetium	Tc	96.906365	1	4.9370
Polonium	Po	208.982430	1	10.6468
Lead	Pb	207.2	1	10.5560
Tin	Sn	118.710	1	6.0478
Calcium	Ca	40.078	1	2.0418
Barium	Ba	137.327	1	6.9962
Potassium	K	39.0983	1	1.9919

Computing molar mass step by step
First, compute the number of each atom in HHeLiBeBCNOFArNeTiAgHgAuCuFeUUuoVTcPoPbSnCaBaK: H: 1, He: 1, Li: 1, Be: 1, B: 1, C: 1, N: 1, O: 1, F: 1, Ar: 1, Ne: 1, Ti: 1, Ag: 1, Hg: 1, Au: 1, Cu: 1, Fe: 1, U: 1, Uuo: 1, V: 1, Tc: 1, Po: 1, Pb: 1, Sn: 1, Ca: 1, Ba: 1, K: 1 Then, lookup atomic weights for each element in periodic table: H: 1.00794, He: 4.002602, Li: 6.941, Be: 9.012182, B: 10.811, C: 12.0107, N: 14.0067, O: 15.9994, F: 18.9984032, Ar: 39.948, Ne: 20.1797, Ti: 47.867, Ag: 107.8682, Hg: 200.59, Au: 196.966569, Cu: 63.546, Fe: 55.845, U: 238.02891, Uuo: 0, V: 50.9415, Tc: 96.906365, Po: 208.9824304, Pb: 207.2, Sn: 118.71, Ca: 40.078, Ba: 137.327, K: 39.0983 Now, compute the sum of products of number of atoms to the atomic weight: Molar mass (HHeLiBeBCNOFArNeTiAgHgAuCuFeUUuoVTcPoPbSnCaBaK) = ∑ Count_i * Weight_i = Count(H) * Weight(H) + Count(He) * Weight(He) + Count(Li) * Weight(Li) + Count(Be) * Weight(Be) + Count(B) * Weight(B) + Count(C) * Weight(C) + Count(N) * Weight(N) + Count(O) * Weight(O) + Count(F) * Weight(F) + Count(Ar) * Weight(Ar) + Count(Ne) * Weight(Ne) + Count(Ti) * Weight(Ti) + Count(Ag) * Weight(Ag) + Count(Hg) * Weight(Hg) + Count(Au) * Weight(Au) + Count(Cu) * Weight(Cu) + Count(Fe) * Weight(Fe) + Count(U) * Weight(U) + Count(Uuo) * Weight(Uuo) + Count(V) * Weight(V) + Count(Tc) * Weight(Tc) + Count(Po) * Weight(Po) + Count(Pb) * Weight(Pb) + Count(Sn) * Weight(Sn) + Count(Ca) * Weight(Ca) + Count(Ba) * Weight(Ba) + Count(K) * Weight(K) = 1 * 1.00794 + 1 * 4.002602 + 1 * 6.941 + 1 * 9.012182 + 1 * 10.811 + 1 * 12.0107 + 1 * 14.0067 + 1 * 15.9994 + 1 * 18.9984032 + 1 * 39.948 + 1 * 20.1797 + 1 * 47.867 + 1 * 107.8682 + 1 * 200.59 + 1 * 196.966569 + 1 * 63.546 + 1 * 55.845 + 1 * 238.02891 + 1 * 0 + 1 * 50.9415 + 1 * 96.906365 + 1 * 208.9824304 + 1 * 207.2 + 1 * 118.71 + 1 * 40.078 + 1 * 137.327 + 1 * 39.0983 = 1962.8729 g/mol

Mass percent composition	Atomic percent composition

Formula in Hill system is CHAgArAuBBaBeCaCuFFeHeHgKLiNNeOPbPoSnTcTiUUuoV

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

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.
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).
Calculate molar mass of each element: multiply the atomic mass of each element by the number of atoms of that element in the compound.
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.

molecular weights calculated today

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