Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Fe(HNO3)3.9(H2O) -- 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: Fe(HNO3)3.9(H2O)
Molar Mass: 407.0089 g/mol        1g=2.45694873011376E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                1                  55.84                         13.72%
H                  21                1.0079                        5.2%
N                  3                  14.007                        10.32%
O                  18                15.999                        70.76%

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