Molar Mass of SnO2 (Tin(IV) Oxide)

Molar Mass Calculator

What is the molar mass of SnO₂?

Answer

M(SnO₂) ≈

150.71 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Sn: 118.71.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Sntin	1	118.71	118.71 w ≈ 78.77%	≈ 78.77%
Ooxygen	2	15.999	31.998 w ≈ 21.23%	≈ 21.23%
Σ = 150.708 ≈ 150.71 g/mol w = 100%				100%

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

Mass fractions of the elements

Sn 78.77%

O 21.23%

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Molar masses of substances nearby

Formula	M, g/mol
Al₂S₃ (aluminium sulphide)	150.14
C₁₀H₁₄O (thymol)	150.221
Sm (samarium)	150.36
SnO₂ (tin(IV) oxide)	150.71
MnSO₄ (manganese(II) sulfate)	150.99
C₈H₉NO₂ (paracetamol)	151.165
FeSO₄ (iron(II) sulfate)	151.90

FAQ

What is the molar mass of SnO2?

M(SnO₂) ≈ 150.71 g/mol

How to calculate the molar mass of SnO₂?

Add up the atomic weights of all the atoms in the formula: 118.71 + 2 × 15.999 = 150.708 ≈ 150.71 g/mol.

How many grams are in 2 moles of SnO₂?

m = n × M = 2 mol × 150.71 g/mol = 301.42 g.

See Also