Cf8U8Pu8Ra8Np8Md8Am8Rn8Es8Fm8Xe16Cm8Po8Hs8Bh8Sg8Db8Rf8Lr8No8 molar mass

Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of Cf₈U₈Pu₈Ra₈Np₈Md₈Am₈Rn₈Es₈Fm₈Xe₁₆Cm₈Po₈Hs₈Bh₈Sg₈Db₈Rf₈Lr₈No₈ is 39912.3042 g/mol

Convert between Cf₈U₈Pu₈Ra₈Np₈Md₈Am₈Rn₈Es₈Fm₈Xe₁₆Cm₈Po₈Hs₈Bh₈Sg₈Db₈Rf₈Lr₈No₈ weight and moles

Compound	Moles		Weight, g
Cf₈U₈Pu₈Ra₈Np₈Md₈Am₈Rn₈Es₈Fm₈Xe₁₆Cm₈Po₈Hs₈Bh₈Sg₈Db₈Rf₈Lr₈No₈

Elemental composition of Cf₈U₈Pu₈Ra₈Np₈Md₈Am₈Rn₈Es₈Fm₈Xe₁₆Cm₈Po₈Hs₈Bh₈Sg₈Db₈Rf₈Lr₈No₈

Element	Symbol	Atomic weight	Atoms	Mass percent
Californium	Cf	249.074853	8	4.9924
Uranium	U	238.02891	8	4.7710
Plutonium	Pu	238.049560	8	4.7715
Radium	Ra	226.025410	8	4.5304
Neptunium	Np	236.04657	8	4.7313
Mendelevium	Md	258.098431	8	5.1733
Americium	Am	241.056829	8	4.8317
Radon	Rn	210.990601	8	4.2291
Einsteinium	Es	252.08298	8	5.0527
Fermium	Fm	257.095105	8	5.1532
Xenon	Xe	131.293	16	5.2633
Curium	Cm	243.061389	8	4.8719
Polonium	Po	208.982430	8	4.1888
Hassium	Hs	270.1347	8	5.4146
Bohrium	Bh	272.1380	8	5.4547
Seaborgium	Sg	271.1335	8	5.4346
Dubnium	Db	268.1255	8	5.3743
Rutherfordium	Rf	265.1167	8	5.3140
Lawrencium	Lr	262.1096	8	5.2537
Nobelium	No	259.1010	8	5.1934

Computing molar mass step by step
First, compute the number of each atom in Cf₈U₈Pu₈Ra₈Np₈Md₈Am₈Rn₈Es₈Fm₈Xe₁₆Cm₈Po₈Hs₈Bh₈Sg₈Db₈Rf₈Lr₈No₈: Cf: 8, U: 8, Pu: 8, Ra: 8, Np: 8, Md: 8, Am: 8, Rn: 8, Es: 8, Fm: 8, Xe: 16, Cm: 8, Po: 8, Hs: 8, Bh: 8, Sg: 8, Db: 8, Rf: 8, Lr: 8, No: 8 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 (Cf₈U₈Pu₈Ra₈Np₈Md₈Am₈Rn₈Es₈Fm₈Xe₁₆Cm₈Po₈Hs₈Bh₈Sg₈Db₈Rf₈Lr₈No₈) = ∑ 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) = 8 * 249.0748535 + 8 * 238.02891 + 8 * 238.0495599 + 8 * 226.0254098 + 8 * 236.04657 + 8 * 258.098431 + 8 * 241.0568291 + 8 * 210.990601 + 8 * 252.08298 + 8 * 257.095105 + 16 * 131.293 + 8 * 243.0613891 + 8 * 208.9824304 + 8 * 270.13465 + 8 * 272.13803 + 8 * 271.13347 + 8 * 268.12545 + 8 * 265.1167 + 8 * 262.10963 + 8 * 259.10103 = 39912.3042 g/mol

Mass percent composition	Atomic percent composition

Formula in Hill system is Am₈Bh₈Cf₈Cm₈Db₈Es₈Fm₈Hs₈Lr₈Md₈No₈Np₈Po₈Pu₈Ra₈Rf₈Rn₈Sg₈U₈Xe₁₆

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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