Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:FeBr3-6H2O -- 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: FeBr3-6H2O
Molar Mass: 307.5668 g/mol        1g=3.25132621596349E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                0.9              55.84                         16.2%
Br                2.9              79.904                        75.99%
H                  -4                1.0079                        -1.3%
O                  0.6              15.999                        3.25%

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