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Molar Mass, Molecular Weight and Elemental Composition Calculator
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Notice: your compound might have oxygen 'O' misspelled as a zero '0' Molar mass of AuAg10 is 1275.6486 g/mol
Formula in Hill system is Ag10Au Elemental composition of AuAg10:
| Symbol | Element | Atomic weight | Atoms | Mass percent |
|---|
| Au | Gold | 196.966569 | 1 | 15.4405 % | | Ag | Silver | 107.8682 | 10 | 84.5595 % | Direct link to this page
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Computing molar mass (molar weight)To calculate molar mass of a chemical compound enter its formula and click 'Calculate!'. In chemical formula you may use:
- Any chemical element
- Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg
- parantesis () or brackets [].
- Common compound names.
Examples of molar mass computations:
NaCl,
Ca(OH)2,
K4[Fe(CN)6],
CuSO4*5H2O,
water,
nitric acid,
potassium permanganate,
ethanol,
fructose.
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 of molecular mass, molecular weight, molar mass and molar weight
- 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.
Weights of atoms and isotopes are from NIST article.
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