Molar Mass of LiOH (Lithium Hydroxide)

Molar Mass Calculator

What is the molar mass of LiOH?

Answer

M(LiOH) ≈

23.95 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Li: 6.94.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Lilithium	1	6.94	6.94 w ≈ 28.98%	≈ 28.98%
Ooxygen	1	15.999	15.999 w ≈ 66.81%	≈ 66.81%
Hhydrogen	1	1.0080	1.0080 w ≈ 4.21%	≈ 4.21%
Σ = 23.947 ≈ 23.95 g/mol w = 100%				100%

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

Mass fractions of the elements

O 66.81%

Li 28.98%H 4.21%

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Molar masses of substances nearby

Formula	M, g/mol
HF (hydrogen fluoride)	20.006
Ne (neon)	20.180
Na (sodium)	22.990
LiOH (lithium hydroxide)	23.95
Mg (magnesium)	24.305
BN (boron nitride)	24.82
BeO (beryllium oxide)	25.011

FAQ

What is the molar mass of LiOH?

M(LiOH) ≈ 23.95 g/mol

How to calculate the molar mass of LiOH?

Add up the atomic weights of all the atoms in the formula: 6.94 + 15.999 + 1.0080 = 23.947 ≈ 23.95 g/mol.

How many grams are in 2 moles of LiOH?

m = n × M = 2 mol × 23.95 g/mol = 47.90 g.

See Also