Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:(MnO)2 -- 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: (MnO)2
Molar Mass: 141.874 g/mol        1g=7.0485078308922E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mn                2                  54.938                        77.45%
O                  2                  15.999                        22.55%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 4/10/2025 18:43Molar Mass Calculator Formula: NiBr2.3H2O 4/10/2025 18:42Molar Mass Calculator Formula: FeSO4 4/10/2025 18:42Molar Mass Calculator Formula: c2h10o 4/10/2025 18:41Molar Mass Calculator Formula: Cu(no3)2.2H2O 4/10/2025 18:40Molar Mass Calculator Formula: ZnSO4-7H2O