Molar Mass of Li2SO4 (Lithium Sulfate)

Molar Mass Calculator

What is the molar mass of Li₂SO₄?

Answer

M(Li₂SO₄) ≈

109.94 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, S: 32.06.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Lilithium	2	6.94	13.88 w ≈ 12.63%	≈ 12.63%
Ssulfur	1	32.06	32.06 w ≈ 29.16%	≈ 29.16%
Ooxygen	4	15.999	63.996 w ≈ 58.21%	≈ 58.21%
Σ = 109.936 ≈ 109.94 g/mol w = 100%				100%

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

Mass fractions of the elements

O 58.21%

S 29.16%Li 12.63%

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Molar masses of substances nearby

Formula	M, g/mol
Ag (silver)	107.87
N₂O₅ (dinitrogen pentoxide)	108.009
C₂H₅Br (bromoethane)	108.966
Li₂SO₄ (lithium sulfate)	109.94
C₆H₆O₂ (resorcin)	110.112
K₂S (potassium sulfide)	110.26
CaCl₂ (calcium chloride)	110.98

FAQ

What is the molar mass of Li2SO4?

M(Li₂SO₄) ≈ 109.94 g/mol

How to calculate the molar mass of Li₂SO₄?

Add up the atomic weights of all the atoms in the formula: 2 × 6.94 + 32.06 + 4 × 15.999 = 109.936 ≈ 109.94 g/mol.

How many grams are in 2 moles of Li₂SO₄?

m = n × M = 2 mol × 109.94 g/mol = 219.88 g.

See Also