Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:2Fe(NO3)2 -- 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: 2Fe(NO3)2
Molar Mass: 181.848 g/mol        1g=5.49909814790374E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                1                  55.84                         31.81%
N                  2.1              14.007                        16.5%
O                  6.1              15.999                        53.89%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 5/4/2026 22:18Molar Mass Calculator Formula: CaC2(H2O)*2 5/4/2026 22:17Molar Mass Calculator Formula: Fe(NO(3))3 5/4/2026 22:16Molar Mass Calculator Formula: C17H14O7 5/4/2026 22:16Molar Mass Calculator Formula: ks03 5/4/2026 22:15Molar Mass Calculator Formula: K2S2O8