Molar Mass of BaO (Barium Oxide)

Molar Mass Calculator

What is the molar mass of BaO?

Answer

M(BaO) ≈

153.33 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Ba: 137.33.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Babarium	1	137.33	137.33 w ≈ 89.57%	≈ 89.57%
Ooxygen	1	15.999	15.999 w ≈ 10.43%	≈ 10.43%
Σ = 153.329 ≈ 153.33 g/mol w = 100%				100%

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

Mass fractions of the elements

Ba 89.57%

O 10.43%

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Molar masses of substances nearby

Formula	M, g/mol
Cr₂O₃ (dichromium trioxide)	151.989
C₈H₈O₃	152.149
C₁₀H₁₆O (camphor)	152.237
BaO (barium oxide)	153.33
CCl₄ (carbon tetrachloride)	153.81
NiSO₄ (nickel(II) sulfate)	154.75
CoSO₄ (cobalt(II) sulfate)	154.99

FAQ

What is the molar mass of BaO?

M(BaO) ≈ 153.33 g/mol

How to calculate the molar mass of BaO?

Add up the atomic weights of all the atoms in the formula: 137.33 + 15.999 = 153.329 ≈ 153.33 g/mol.

How many grams are in 2 moles of BaO?

m = n × M = 2 mol × 153.33 g/mol = 306.66 g.

See Also