Cf9U9Pu9Ra9Np9Md9Am9Rn9Es9Fm9Xe9Cm9Po9Hs99Bh9Sg9Db9Rf9Lr9No9 molar mass

Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of Cf₉U₉Pu₉Ra₉Np₉Md₉Am₉Rn₉Es₉Fm₉Xe₉Cm₉Po₉Hs₉₉Bh₉Sg₉Db₉Rf₉Lr₉No₉ is 68031.8238 g/mol

Convert between Cf₉U₉Pu₉Ra₉Np₉Md₉Am₉Rn₉Es₉Fm₉Xe₉Cm₉Po₉Hs₉₉Bh₉Sg₉Db₉Rf₉Lr₉No₉ weight and moles

Compound	Moles		Weight, g
Cf₉U₉Pu₉Ra₉Np₉Md₉Am₉Rn₉Es₉Fm₉Xe₉Cm₉Po₉Hs₉₉Bh₉Sg₉Db₉Rf₉Lr₉No₉

Elemental composition of Cf₉U₉Pu₉Ra₉Np₉Md₉Am₉Rn₉Es₉Fm₉Xe₉Cm₉Po₉Hs₉₉Bh₉Sg₉Db₉Rf₉Lr₉No₉

Element	Symbol	Atomic weight	Atoms	Mass percent
Californium	Cf	249.074853	9	3.2950
Uranium	U	238.02891	9	3.1489
Plutonium	Pu	238.049560	9	3.1492
Radium	Ra	226.025410	9	2.9901
Neptunium	Np	236.04657	9	3.1227
Mendelevium	Md	258.098431	9	3.4144
Americium	Am	241.056829	9	3.1890
Radon	Rn	210.990601	9	2.7912
Einsteinium	Es	252.08298	9	3.3348
Fermium	Fm	257.095105	9	3.4011
Xenon	Xe	131.293	9	1.7369
Curium	Cm	243.061389	9	3.2155
Polonium	Po	208.982430	9	2.7647
Hassium	Hs	270.1347	99	39.3100
Bohrium	Bh	272.1380	9	3.6001
Seaborgium	Sg	271.1335	9	3.5869
Dubnium	Db	268.1255	9	3.5471
Rutherfordium	Rf	265.1167	9	3.5073
Lawrencium	Lr	262.1096	9	3.4675
Nobelium	No	259.1010	9	3.4277

Computing molar mass step by step
First, compute the number of each atom in Cf₉U₉Pu₉Ra₉Np₉Md₉Am₉Rn₉Es₉Fm₉Xe₉Cm₉Po₉Hs₉₉Bh₉Sg₉Db₉Rf₉Lr₉No₉: Cf: 9, U: 9, Pu: 9, Ra: 9, Np: 9, Md: 9, Am: 9, Rn: 9, Es: 9, Fm: 9, Xe: 9, Cm: 9, Po: 9, Hs: 99, Bh: 9, Sg: 9, Db: 9, Rf: 9, Lr: 9, No: 9 Then, lookup atomic weights for each element in periodic table: Cf: 249.0748535, U: 238.02891, Pu: 238.0495599, Ra: 226.0254098, Np: 236.04657, Md: 258.098431, Am: 241.0568291, Rn: 210.990601, Es: 252.08298, Fm: 257.095105, Xe: 131.293, Cm: 243.0613891, Po: 208.9824304, Hs: 270.13465, Bh: 272.13803, Sg: 271.13347, Db: 268.12545, Rf: 265.1167, Lr: 262.10963, No: 259.10103 Now, compute the sum of products of number of atoms to the atomic weight: Molar mass (Cf₉U₉Pu₉Ra₉Np₉Md₉Am₉Rn₉Es₉Fm₉Xe₉Cm₉Po₉Hs₉₉Bh₉Sg₉Db₉Rf₉Lr₉No₉) = ∑ Count_i * Weight_i = Count(Cf) * Weight(Cf) + Count(U) * Weight(U) + Count(Pu) * Weight(Pu) + Count(Ra) * Weight(Ra) + Count(Np) * Weight(Np) + Count(Md) * Weight(Md) + Count(Am) * Weight(Am) + Count(Rn) * Weight(Rn) + Count(Es) * Weight(Es) + Count(Fm) * Weight(Fm) + Count(Xe) * Weight(Xe) + Count(Cm) * Weight(Cm) + Count(Po) * Weight(Po) + Count(Hs) * Weight(Hs) + Count(Bh) * Weight(Bh) + Count(Sg) * Weight(Sg) + Count(Db) * Weight(Db) + Count(Rf) * Weight(Rf) + Count(Lr) * Weight(Lr) + Count(No) * Weight(No) = 9 * 249.0748535 + 9 * 238.02891 + 9 * 238.0495599 + 9 * 226.0254098 + 9 * 236.04657 + 9 * 258.098431 + 9 * 241.0568291 + 9 * 210.990601 + 9 * 252.08298 + 9 * 257.095105 + 9 * 131.293 + 9 * 243.0613891 + 9 * 208.9824304 + 99 * 270.13465 + 9 * 272.13803 + 9 * 271.13347 + 9 * 268.12545 + 9 * 265.1167 + 9 * 262.10963 + 9 * 259.10103 = 68031.8238 g/mol

Mass percent composition	Atomic percent composition

Formula in Hill system is Am₉Bh₉Cf₉Cm₉Db₉Es₉Fm₉Hs₉₉Lr₉Md₉No₉Np₉Po₉Pu₉Ra₉Rf₉Rn₉Sg₉U₉Xe₉

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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