Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:8Na2S2O3 * 5H2O(s) -- 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: 8Na2S2O3 * 5H2O(s)
Molar Mass: 408.1594 g/mol        1g=2.45002320171972E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2.3              22.9898                       13.23%
S                  2.2              32.06                         17.67%
O                  16.5            15.999                        64.68%
H                  9.9              1.0079                        2.45%
s                  1.2              32.06                         9.81%

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