Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C18H21N3 -- 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: C18H21N3
Molar Mass: 279.3849 g/mol        1g=3.57929150788035E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  18                12.011                        77.38%
H                  21                1.0079                        7.58%
N                  3                  14.007                        15.04%

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