Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2S2O5 -- 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: Na2S2O5
Molar Mass: 190.0946 g/mol        1g=5.26053870020506E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2                  22.9898                       24.19%
S                  2                  32.06                         33.73%
O                  5                  15.999                        42.08%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 1/15/2025 06:58Molar Mass Calculator Formula: pb6o6 1/15/2025 06:57Molar Mass Calculator Formula: 2Ta 1/15/2025 06:57Molar Mass Calculator Formula: Na3AlO3 1/15/2025 06:57Molar Mass Calculator Formula: c8h48o9 1/15/2025 06:57Molar Mass Calculator Formula: O24.4H2O