Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:2Fe2 -- 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: 2Fe2
Molar Mass: 113.68 g/mol        1g=8.79662209711471E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                2                  55.84                         100%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 10/12/2025 19:54Molar Mass Calculator Formula: Cu25O 10/12/2025 19:54Molar Mass Calculator Formula: c4o4Os 10/12/2025 19:54Molar Mass Calculator Formula: (NH4)2So3 10/12/2025 19:54Molar Mass Calculator Formula: c8h13o5h 10/12/2025 19:53Molar Mass Calculator Formula: CoCl2H12O6