Molar Mass of MnO2

Molar Mass Calculator
Chemical formula Write symbols with a capital letter: CoCl2 is cobalt chloride, COCl2 is phosgene. A hydrate takes a dot: CuSO4·5H2O or CuSO4.5H2O

What is the molar mass of MnO2?

Answer

M(MnO2) =
86.936 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

Contribution of each element
Element Atoms, n Atomic weight, A n × A, g/mol Mass fraction, w
Mnmanganese154.93854.938 w ≈ 63.19%
Ooxygen215.99931.998 w ≈ 36.81%
Σ = 86.936 g/mol w = 100%

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

Mass fractions of the elements

Related Calculations

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Recalculate with different values ↑

Molar masses of substances nearby

FormulaM, g/mol
C₄H₆O₂ (methacrylic acid)86.090
C₆H₁₄ (hexane)86.178
LiBr (lithium bromide)86.84
MnO₂86.936
Sr (strontium)87.62
FeS (iron(II) sulfide)87.91
C₃H₄O₃ (pyruvic acid)88.062

FAQ

What is the molar mass of MnO2?

M(MnO₂) = 86.936 g/mol

How to calculate the molar mass of MnO₂?

Add up the atomic weights of all the atoms in the formula: 54.938 + 2 × 15.999 = 86.936 g/mol.

How many grams are in 2 moles of MnO₂?

m = n × M = 2 mol × 86.936 g/mol = 173.872 g.

See Also