Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Fe2(SO4)3.9H2 -- 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: Fe2(SO4)3.9H2
Molar Mass: 417.9902 g/mol        1g=2.39240058738219E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                2                  55.84                         26.72%
S                  3                  32.06                         23.01%
O                  12                15.999                        45.93%
H                  18                1.0079                        4.34%

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