Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Fe9OH03 -- 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: Fe9OH03
Molar Mass: 521.5827 g/mol        1g=1.91724150360048E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                9                  55.84                         96.35%
O                  1                  15.999                        3.07%
H                  3                  1.0079                        0.58%

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