Molar Mass of NiO (Nickel(II) Oxide)

Molar Mass Calculator

What is the molar mass of NiO?

Answer

M(NiO) =

74.692 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	Mass fraction, w
Ninickel	1	58.693	58.693 w ≈ 78.58%	≈ 78.58%
Ooxygen	1	15.999	15.999 w ≈ 21.42%	≈ 21.42%
Σ = 74.692 g/mol w = 100%				100%

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

Mass fractions of the elements

Ni 78.58%

O 21.42%

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Molar masses of substances nearby

Formula	M, g/mol
CH₃CH₂OCH₂CH₃ (diethyl ether)	74.123
NaOCl (sodium hypochlorite)	74.44
KCl (potassium chloride)	74.55
NiO (nickel(II) oxide)	74.692
As (arsenic)	74.922
CoO (cobalt(II) oxide)	74.932
C₂H₅NO₂ (glycine)	75.067

FAQ

What is the molar mass of NiO?

M(NiO) = 74.692 g/mol

How to calculate the molar mass of NiO?

Add up the atomic weights of all the atoms in the formula: 58.693 + 15.999 = 74.692 g/mol.

How many grams are in 2 moles of NiO?

m = n × M = 2 mol × 74.692 g/mol = 149.384 g.

See Also