Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:FeCl3.2H2O -- 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: FeCl3.2H2O
Molar Mass: 198.2286 g/mol        1g=5.04468073729018E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                1                  55.84                         28.17%
Cl                3                  35.453                        53.65%
H                  4                  1.0079                        2.03%
O                  2                  15.999                        16.14%

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