Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2S2O310H5O -- 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: Na2S2O310H5O
Molar Mass: 5090.8281 g/mol        1g=1.96431696446399E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2                  22.9898                       0.9%
S                  2                  32.06                         1.26%
O                  311              15.999                        97.74%
H                  5                  1.0079                        0.1%

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