Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula: C18H21NO3 -- 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: C18H21NO3
Molar Mass: 299.3679 g/mol        1g=3.34037149607556E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  18                12.011                        72.22%
H                  21                1.0079                        7.07%
N                  1                  14.007                        4.68%
O                  3                  15.999                        16.03%

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