Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula: 139C3H7NO2 -- 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: 139C3H7NO2
Molar Mass: 228.0933 g/mol        1g=4.38417086341423E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  14.6            12.011                        76.74%
H                  144.9          1.0079                        64.03%
N                  10.9            14.007                        67.08%
O                  10.7            15.999                        74.97%

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