Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2S2S2O3*H20 -- e-Tools Age

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	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: Na2S2S2O3*H20
Molar Mass: 1141.743126 g/mol        1g=8.75853751362984E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2                  22.9898                       4.03%
S                  4                  32.06                         11.23%
O                  0                  15.999                        0%
H                  0                  1.0079                        0%

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