Ac0Al1Am2Sb3Ar4As5At6Ba7Bk8Be9Bi10Bh11B12Br13Cd14Ca15Cf16C17 molar mass

Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of Ac₀Al₁Am₂Sb₃Ar₄As₅At₆Ba₇Bk₈Be₉Bi₁₀Bh₁₁B₁₂Br₁₃Cd₁₄Ca₁₅Cf₁₆C₁₇ is 18530.7968 g/mol

Convert between Ac₀Al₁Am₂Sb₃Ar₄As₅At₆Ba₇Bk₈Be₉Bi₁₀Bh₁₁B₁₂Br₁₃Cd₁₄Ca₁₅Cf₁₆C₁₇ weight and moles

Compound	Moles		Weight, g
Ac₀Al₁Am₂Sb₃Ar₄As₅At₆Ba₇Bk₈Be₉Bi₁₀Bh₁₁B₁₂Br₁₃Cd₁₄Ca₁₅Cf₁₆C₁₇

Elemental composition of Ac₀Al₁Am₂Sb₃Ar₄As₅At₆Ba₇Bk₈Be₉Bi₁₀Bh₁₁B₁₂Br₁₃Cd₁₄Ca₁₅Cf₁₆C₁₇

Element	Symbol	Atomic weight	Atoms	Mass percent
Actinium	Ac	227.027752	1	1.2251
Aluminum	Al	26.9815386	1	0.1456
Americium	Am	241.056829	2	2.6017
Antimony	Sb	121.760	3	1.9712
Argon	Ar	39.948	4	0.8623
Arsenic	As	74.92160	5	2.0215
Astatine	At	209.987148	6	6.7991
Barium	Ba	137.327	7	5.1875
Berkelium	Bk	247.070307	8	10.6664
Beryllium	Be	9.012182	9	0.4377
Bismuth	Bi	208.98040	10	11.2775
Bohrium	Bh	272.1380	11	16.1543
Boron	B	10.811	12	0.7001
Bromine	Br	79.904	13	5.6055
Cadmium	Cd	112.411	14	8.4926
Calcium	Ca	40.078	15	3.2442
Californium	Cf	249.074853	16	21.5058
Carbon	C	12.0107	17	1.1019

Computing molar mass step by step
First, compute the number of each atom in Ac₀Al₁Am₂Sb₃Ar₄As₅At₆Ba₇Bk₈Be₉Bi₁₀Bh₁₁B₁₂Br₁₃Cd₁₄Ca₁₅Cf₁₆C₁₇: Ac: 1, Al: 1, Am: 2, Sb: 3, Ar: 4, As: 5, At: 6, Ba: 7, Bk: 8, Be: 9, Bi: 10, Bh: 11, B: 12, Br: 13, Cd: 14, Ca: 15, Cf: 16, C: 17 Then, lookup atomic weights for each element in periodic table: Ac: 227.0277521, Al: 26.9815386, Am: 241.0568291, Sb: 121.76, Ar: 39.948, As: 74.9216, At: 209.987148, Ba: 137.327, Bk: 247.070307, Be: 9.012182, Bi: 208.9804, Bh: 272.13803, B: 10.811, Br: 79.904, Cd: 112.411, Ca: 40.078, Cf: 249.0748535, C: 12.0107 Now, compute the sum of products of number of atoms to the atomic weight: Molar mass (Ac₀Al₁Am₂Sb₃Ar₄As₅At₆Ba₇Bk₈Be₉Bi₁₀Bh₁₁B₁₂Br₁₃Cd₁₄Ca₁₅Cf₁₆C₁₇) = ∑ Count_i * Weight_i = Count(Ac) * Weight(Ac) + Count(Al) * Weight(Al) + Count(Am) * Weight(Am) + Count(Sb) * Weight(Sb) + Count(Ar) * Weight(Ar) + Count(As) * Weight(As) + Count(At) * Weight(At) + Count(Ba) * Weight(Ba) + Count(Bk) * Weight(Bk) + Count(Be) * Weight(Be) + Count(Bi) * Weight(Bi) + Count(Bh) * Weight(Bh) + Count(B) * Weight(B) + Count(Br) * Weight(Br) + Count(Cd) * Weight(Cd) + Count(Ca) * Weight(Ca) + Count(Cf) * Weight(Cf) + Count(C) * Weight(C) = 1 * 227.0277521 + 1 * 26.9815386 + 2 * 241.0568291 + 3 * 121.76 + 4 * 39.948 + 5 * 74.9216 + 6 * 209.987148 + 7 * 137.327 + 8 * 247.070307 + 9 * 9.012182 + 10 * 208.9804 + 11 * 272.13803 + 12 * 10.811 + 13 * 79.904 + 14 * 112.411 + 15 * 40.078 + 16 * 249.0748535 + 17 * 12.0107 = 18530.7968 g/mol

Mass percent composition	Atomic percent composition

Formula in Hill system is C₁₇AcAlAm₂Ar₄As₅At₆B₁₂Ba₇Be₉Bh₁₁Bi₁₀Bk₈Br₁₃Ca₁₅Cd₁₄Cf₁₆Sb₃

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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