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Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of C6H3ClFNO4S is 239.6087 g/mol

Convert between C6H3ClFNO4S weight and moles
CompoundMolesWeight, g
C6H3ClFNO4S

Elemental composition of C6H3ClFNO4S
ElementSymbolAtomic weightAtomsMass percent
CarbonC12.0107630.0758
HydrogenH1.0079431.2620
ChlorineCl35.453114.7962
FluorineF18.998403217.9289
NitrogenN14.006715.8457
OxygenO15.9994426.7092
SulfurS32.065113.3822

Computing molar mass step by step

First, compute the number of each atom in C6H3ClFNO4S:
C: 6, H: 3, Cl: 1, F: 1, N: 1, O: 4, S: 1

Then, lookup atomic weights for each element in periodic table:
C: 12.0107, H: 1.00794, Cl: 35.453, F: 18.9984032, N: 14.0067, O: 15.9994, S: 32.065

Now, compute the sum of products of number of atoms to the atomic weight:
Molar mass (C6H3ClFNO4S) = ∑ Counti * Weighti =
Count(C) * Weight(C) + Count(H) * Weight(H) + Count(Cl) * Weight(Cl) + Count(F) * Weight(F) + Count(N) * Weight(N) + Count(O) * Weight(O) + Count(S) * Weight(S) =
6 * 12.0107 + 3 * 1.00794 + 1 * 35.453 + 1 * 18.9984032 + 1 * 14.0067 + 4 * 15.9994 + 1 * 32.065 =
239.6087 g/mol


Mass percent compositionAtomic percent composition

Related compounds
FormulaCompound name
C7H3ClF6N2O4S2Comins' reagent
C16H13ClFN3O3SCimicoxib
C12H4Cl2F6N4OSFipronil
C9H11Cl2FN2O2S2Dichlofluanid
C47H55ClF3N5O6S3Navitoclax
C10H13Cl2FN2O2S2Tolylfluanid
C11H10Cl2F2N4O3SSulfentrazone
C10H11ClF3N3O4S3Epitizide

Formula in Hill system is C6H3ClFNO4S

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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