Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:CoSe4 -- 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: CoSe4
Molar Mass: 374.5332 g/mol        1g=2.66999027055545E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Co                1                  58.9332                       15.74%
Se                4                  78.9                          84.26%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 7/5/2025 18:46Molar Mass Calculator Formula: Ca2OSi 7/5/2025 18:46Molar Mass Calculator Formula: C18H38 7/5/2025 18:46Molar Mass Calculator Formula: KO3 7/5/2025 18:46Molar Mass Calculator Formula: C8H4O3 7/5/2025 18:46Molar Mass Calculator Formula: 4C3H5(NO2)3