Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mn4Se7 -- 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: Mn4Se7
Molar Mass: 772.052 g/mol        1g=1.29524954277691E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mn                4                  54.938                        28.46%
Se                7                  78.9                          71.54%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 4/25/2025 00:55Molar Mass Calculator Formula: h3o4 4/25/2025 00:55Molar Mass Calculator Formula: ni2s4 4/25/2025 00:55Molar Mass Calculator Formula: c8h9 4/25/2025 00:55Molar Mass Calculator Formula: NaCl2 4/25/2025 00:55Molar Mass Calculator Formula: Ni2N3