Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C7H4O2Br -- 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: C7H4O2Br
Molar Mass: 200.0106 g/mol        1g=4.99973501404426E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  7                  12.011                        42.04%
H                  4                  1.0079                        2.02%
O                  2                  15.999                        16%
Br                1                  79.904                        39.95%

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