Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C13H8N3NaO5 -- 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: C13H8N3NaO5
Molar Mass: 309.212 g/mol        1g=3.23402713995576E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  13                12.011                        50.5%
H                  8                  1.0079                        2.61%
N                  3                  14.007                        13.59%
Na                1                  22.9898                       7.43%
O                  5                  15.999                        25.87%

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