Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:2H2SO3 -- 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: 2H2SO3
Molar Mass: 84.0728 g/mol        1g=1.18944533785005E-02 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
H                  4                  1.0079                        4.78%
S                  1.1              32.06                         40.51%
O                  3.1              15.999                        59.47%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 4/25/2025 09:21Molar Mass Calculator Formula: 254 4/25/2025 09:21Molar Mass Calculator Formula: H2s2c2 4/25/2025 09:21Molar Mass Calculator Formula: C7H14O 4/25/2025 09:21Molar Mass Calculator Formula: H3C3N3 4/25/2025 09:21Molar Mass Calculator Formula: C10H15Cl2