Molar mass of aluminum sulfate (Al2(SO4)3)

The molar mass of aluminum sulfate (Al2(SO4)3) is 342.132 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Aluminum × 2 26.982 = 53.964
Sulfur × 3 32.06 = 96.18
Oxygen × 12 15.999 = 191.988
Total342.132 g/mol

Percent composition by element

  • Aluminum 15.77%
  • Sulfur 28.11%
  • Oxygen 56.12%

Try another formula

H2O NaCl CO2 C6H12O6 H2SO4 Ca(OH)2 CuSO4·5H2O C8H10N4O2

Could not read that formula

Related compounds

KAl(SO4)2·12H2O Potassium alum H2SO4 Sulfuric acid CuSO4 Copper(II) sulfate MgSO4 Magnesium sulfate SO2 Sulfur dioxide CuSO4·5H2O Copper(II) sulfate pentahydrate

FAQ

What is the molar mass of Al2(SO4)3?

The molar mass of aluminum sulfate (Al2(SO4)3) is 342.132 g/mol.

How do you calculate the molar mass of Al2(SO4)3?

Multiply the atomic mass of each element by the number of its atoms in Al2(SO4)3, then add the results: 2 × 26.982 (Al) + 3 × 32.06 (S) + 12 × 15.999 (O) = 342.132 g/mol.

What percentage of Al2(SO4)3 is Oxygen?

Oxygen makes up 56.12% of the mass of aluminum sulfate (Al2(SO4)3).