Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mn2O3 -- 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: Mn2O3
Molar Mass: 157.873 g/mol        1g=6.33420534226879E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mn                2                  54.938                        69.6%
O                  3                  15.999                        30.4%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 3/14/2025 01:44Molar Mass Calculator Formula: CaC2.H2O 3/14/2025 01:44Molar Mass Calculator Formula: C207H308N56O58S 3/14/2025 01:44Molar Mass Calculator Formula: H2PO4 3/14/2025 01:42Molar Mass Calculator Formula: Na2HPO4.H24O12 3/14/2025 01:42Molar Mass Calculator Formula: 6H2O