Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:FeCIO42 -- 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: FeCIO42
Molar Mass: 866.714 g/mol        1g=1.15378313953623E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                1                  55.84                         6.44%
C                  1                  12.011                        1.39%
I                  1                  126.905                       14.64%
O                  42                15.999                        77.53%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 10/30/2025 00:15Molar Mass Calculator Formula: Al(CIO2)3 10/30/2025 00:15Molar Mass Calculator Formula: C3Br 10/30/2025 00:15Molar Mass Calculator Formula: Cl3Si 10/30/2025 00:14Molar Mass Calculator Formula: Ce(OH)3 10/30/2025 00:14Molar Mass Calculator Formula: 2NH4.S