Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Se2(SO3)3 -- 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: Se2(SO3)3
Molar Mass: 397.971 g/mol        1g=2.51274590359599E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Se                2                  78.9                          39.65%
S                  3                  32.06                         24.17%
O                  9                  15.999                        36.18%

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