Molar Mass of BeO (Beryllium Oxide)

Molar Mass Calculator

What is the molar mass of BeO?

Answer

M(BeO) ≈

25.011 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — O: 15.999.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Beberyllium	1	9.0122	9.0122 w ≈ 36.03%	≈ 36.03%
Ooxygen	1	15.999	15.999 w ≈ 63.97%	≈ 63.97%
Σ = 25.0112 ≈ 25.011 g/mol w = 100%				100%

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

Mass fractions of the elements

O 63.97%Be 36.03%

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Molar masses of substances nearby

Formula	M, g/mol
LiOH (lithium hydroxide)	23.95
Mg (magnesium)	24.305
BN (boron nitride)	24.82
BeO (beryllium oxide)	25.011
LiF (lithium fluoride)	25.94
C₂H₂ (acetylene)	26.038
Al (aluminium)	26.982

FAQ

What is the molar mass of BeO?

M(BeO) ≈ 25.011 g/mol

How to calculate the molar mass of BeO?

Add up the atomic weights of all the atoms in the formula: 9.0122 + 15.999 = 25.0112 ≈ 25.011 g/mol.

How many grams are in 2 moles of BeO?

m = n × M = 2 mol × 25.011 g/mol = 50.022 g.

See Also