Molar mass of calcium sulfate (CaSO4)

The molar mass of calcium sulfate (CaSO4) is 136.134 g/mol.

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Calcium	× 1	40.078	= 40.078
Sulfur	× 1	32.06	= 32.06
Oxygen	× 4	15.999	= 63.996
Total			136.134 g/mol

Percent composition by element

Calcium 29.44%
Sulfur 23.55%
Oxygen 47.01%

Try another formula

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

Could not read that formula

Related compounds

CaSO₄·2H₂O Calcium sulfate dihydrate CaCO₃ Calcium carbonate H₂SO₄ Sulfuric acid CuSO₄ Copper(II) sulfate KAl(SO₄)₂·12H₂O Potassium alum MgSO₄ Magnesium sulfate

FAQ

What is the molar mass of CaSO4?

The molar mass of calcium sulfate (CaSO4) is 136.134 g/mol.

How do you calculate the molar mass of CaSO4?

Multiply the atomic mass of each element by the number of its atoms in CaSO4, then add the results: 1 × 40.078 (Ca) + 1 × 32.06 (S) + 4 × 15.999 (O) = 136.134 g/mol.

What percentage of CaSO4 is Oxygen?

Oxygen makes up 47.01% of the mass of calcium sulfate (CaSO4).