Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:2SbFe3S3 -- 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: 2SbFe3S3
Molar Mass: 387.4 g/mol        1g=2.58131130614352E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Sb                1                  121.7                         31.93%
Fe                3                  55.84                         43.76%
S                  3.1              32.06                         25.34%

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