Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:K2.Fe2.(C2O4)4.9H2O -- 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: K2.Fe2.(C2O4)4.9H2O
Molar Mass: 704.0812 g/mol        1g=1.42029072783082E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  2                  39.098                        11.11%
Fe                2                  55.84                         15.86%
C                  8                  12.011                        13.65%
O                  25                15.999                        56.81%
H                  18                1.0079                        2.58%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 6/28/2025 10:01Molar Mass Calculator Formula: BrC6H11 6/28/2025 10:01Molar Mass Calculator Formula: LaNi0.6Al0.4O3 6/28/2025 10:01Molar Mass Calculator Formula: (CuF2) 6/28/2025 10:00Molar Mass Calculator Formula: sI 6/28/2025 10:00Molar Mass Calculator Formula: ScBo3