Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:8Al9Fe12O -- e-Tools Age

	Calculate molar mass
	Enter a chemical formula in the field below, pay attention to formula is case sensitive!!!	The formula should be entered as: H₂SO₄= H2SO4 CuSO₄.5H2O=CuSO4.5H2O 3BeO.Al2O₃.6SiO₂= (BeO)3.Al2O3.6SiO2

Calculations:
Formula: 8Al9Fe12O
Molar Mass: 936.917 g/mol        1g=1.06733040386715E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Al                9.3              26.982                        26.77%
Fe                12.1            55.84                         72.37%
O                  1.5              15.999                        2.56%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 10/29/2025 12:51Molar Mass Calculator Formula: 15O2 10/29/2025 12:51Molar Mass Calculator Formula: ZnCl4.5H2O 10/29/2025 12:51Molar Mass Calculator Formula: N(H2O) 10/29/2025 12:51Molar Mass Calculator Formula: (C4h10) 10/29/2025 12:51Molar Mass Calculator Formula: Caso4.H2O