Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:FeOCu3As2Cu3As -- 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: FeOCu3As2Cu3As
Molar Mass: 677.8438 g/mol        1g=1.47526613063364E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                1                  55.84                         8.24%
O                  1                  15.999                        2.36%
Cu                6                  63.54                         56.24%
As                3                  74.9216                       33.16%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 12/29/2024 11:14Molar Mass Calculator Formula: Sn3(PO4)3 12/29/2024 11:14Molar Mass Calculator Formula: NoCl 12/29/2024 11:14Molar Mass Calculator Formula: 856 12/29/2024 11:14Molar Mass Calculator Formula: n3c3h6 12/29/2024 11:14Molar Mass Calculator Formula: CH3COONa.3(H2O)