Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Cl2C4H4 -- 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: Cl2C4H4
Molar Mass: 122.9816 g/mol        1g=8.13129769006095E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Cl                2                  35.453                        57.66%
C                  4                  12.011                        39.07%
H                  4                  1.0079                        3.28%

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