Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:FeCl2(4H2O) -- 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: FeCl2(4H2O)
Molar Mass: 148.7608 g/mol        1g=6.72220100994348E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                1.1              55.84                         40.23%
Cl                2.1              35.453                        50.35%
H                  6                  1.0079                        4.04%
O                  1.3              15.999                        13.44%

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