Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C11H7BrO2 -- 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: C11H7BrO2
Molar Mass: 251.0783 g/mol        1g=3.98282129518959E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  11                12.011                        52.62%
H                  7                  1.0079                        2.81%
Br                1                  79.904                        31.82%
O                  2                  15.999                        12.74%

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