Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:c12h9n2o3v -- 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: c12h9n2o3v
Molar Mass: 280.1556 g/mol        1g=3.56944497986119E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
c                  12                12.011                        51.45%
h                  9                  1.0079                        3.24%
n                  2                  14.007                        10%
o                  3                  15.999                        17.13%
v                  1                  50.9415                       18.18%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 12/14/2025 19:24Molar Mass Calculator Formula: Al2(SO4)18H2O 12/14/2025 19:24Molar Mass Calculator Formula: TiAl 12/14/2025 19:24Molar Mass Calculator Formula: CuSO4H1005 12/14/2025 19:24Molar Mass Calculator Formula: Al2(SO3)3 12/14/2025 19:24Molar Mass Calculator Formula: Al(ch3coo)3