Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Fe3(NO3).(H2O)9 -- 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: Fe3(NO3).(H2O)9
Molar Mass: 391.6572 g/mol        1g=2.55325320203484E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                3                  55.84                         42.77%
N                  1                  14.007                        3.58%
O                  12                15.999                        49.02%
H                  18                1.0079                        4.63%

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