Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Si3O7C3H6N3 -- 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: Si3O7C3H6N3
Molar Mass: 280.3494 g/mol        1g=3.56697749308541E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Si                3                  28.085                        30.05%
O                  7                  15.999                        39.95%
C                  3                  12.011                        12.85%
H                  6                  1.0079                        2.16%
N                  3                  14.007                        14.99%

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