Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:2(C7H7Br) -- 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: 2(C7H7Br)
Molar Mass: 173.0363 g/mol        1g=5.77913420478824E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  7.2              12.011                        49.75%
H                  9                  1.0079                        5.23%
Br                1                  79.904                        47.33%

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