Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:o -- 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: o
Molar Mass: 15.999 g/mol        1g=6.25039064941559E-02 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
o                  1                  15.999                        100%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 8/3/2025 11:03Molar Mass Calculator Formula: 1.5O2 8/3/2025 11:02Molar Mass Calculator Formula: Be2SO4 8/3/2025 10:59Molar Mass Calculator Formula: Nd2(SO4)3(H2O)8 8/3/2025 10:59Molar Mass Calculator Formula: niso4.7h2o 8/3/2025 10:59Molar Mass Calculator Formula: N2H9PO