Molar mass of kaolinite (Al2Si2O5(OH)4)

The molar mass of kaolinite (Al2Si2O5(OH)4) is 258.157 g/mol.

kaolin · china clay

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Aluminum	× 2	26.982	= 53.964
Silicon	× 2	28.085	= 56.17
Oxygen	× 9	15.999	= 143.991
Hydrogen	× 4	1.008	= 4.032
Total			258.157 g/mol

Percent composition by element

Aluminum 20.9%
Silicon 21.76%
Oxygen 55.78%
Hydrogen 1.56%

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 Al(OH)₃ Aluminum hydroxide Mg₃Si₄O₁₀(OH)₂ Talc NaOH Sodium hydroxide H₂O Water H₂SO₄ Sulfuric acid

FAQ

What is the molar mass of Al2Si2O5(OH)4?

The molar mass of kaolinite (Al2Si2O5(OH)4) is 258.157 g/mol.

How do you calculate the molar mass of Al2Si2O5(OH)4?

Multiply the atomic mass of each element by the number of its atoms in Al2Si2O5(OH)4, then add the results: 2 × 26.982 (Al) + 2 × 28.085 (Si) + 9 × 15.999 (O) + 4 × 1.008 (H) = 258.157 g/mol.

What percentage of Al2Si2O5(OH)4 is Oxygen?

Oxygen makes up 55.78% of the mass of kaolinite (Al2Si2O5(OH)4).