Mn Atomic Mass

It provides atomic mass, mass excess, nuclear binding energy, nucleon separation energies, Q-values, and nucleon residual interaction parameters for atomic nuclei of the isotope Mn-55 (Manganese, atomic number Z = 25, mass number A = 55). Manganese (Mn) Atomic Data for Manganese (Mn) Atomic Number = 25. Atomic Weight = 54.93805. Atomic mass of Manganese is 54.938049 u. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. The unit of measure for mass is the atomic mass unit (amu). One atomic mass unit is equal to 1.66 x 10 -24 grams.

Molar Mass, Molecular Weight and Elemental Composition Calculator

Mn Atomic Mass

Molar mass of Mn is 54.9380450 ± 0.0000050 g/mol
Compound name is manganese
Convert between Mn weight and moles

Compound	Moles		Weight, g
Mn

Elemental composition of Mn

Element	Symbol	Atomic weight	Atoms	Mass percent
Manganese	Mn	54.938045	1	100.0000

Mass percent composition

Atomic percent composition

Sample reactions for Mn

Equation	Reaction type
Mn + HI = H₂ + MnI₃	single replacement
Mn + CuCl = Cu + MnCl₂	single replacement
Mn + H₂SO₄ = MnSO₄ + H₂	single replacement
Mn + HCl = MnCl₂ + H₂	single replacement
Mn + O₂ = MnO₂	synthesis

Formula in Hill system is Mn

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, 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.
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 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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Manganese Atomic Mass

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