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Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of C6H12AgO6 is 288.0241 g/mol

Convert between C6H12AgO6 weight and moles
CompoundMolesWeight, g
C6H12AgO6

Elemental composition of C6H12AgO6
ElementSymbolAtomic weightAtomsMass percent
CarbonC12.0107625.0202
HydrogenH1.00794124.1994
SilverAg107.8682137.4511
OxygenO15.9994633.3293

Computing molar mass step by step

First, compute the number of each atom in C6H12AgO6:
C: 6, H: 12, Ag: 1, O: 6

Then, lookup atomic weights for each element in periodic table:
C: 12.0107, H: 1.00794, Ag: 107.8682, O: 15.9994

Now, compute the sum of products of number of atoms to the atomic weight:
Molar mass (C6H12AgO6) = ∑ Counti * Weighti =
Count(C) * Weight(C) + Count(H) * Weight(H) + Count(Ag) * Weight(Ag) + Count(O) * Weight(O) =
6 * 12.0107 + 12 * 1.00794 + 1 * 107.8682 + 6 * 15.9994 =
288.0241 g/mol


Mass percent compositionAtomic percent composition

Related compounds
FormulaCompound name
AgHCO3Silver bicarbonate
AgC6H7O6Silver ascorbate
AgCH3CO2Silver acetate
Ag3C6H5O7Silver citrate
AgC6H5COOSilver benzoate
AgC22H43O2Silver behenate
AgC11H23O2Silver laurate
C18H36AgO2Silver stearate
CH3CH(OH)COOAgSilver lactate

Formula in Hill system is C6H12AgO6

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

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