Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:(FeNi)9S8 -- 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: (FeNi)9S8
Molar Mass: 1287.25 g/mol        1g=7.76849873761896E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                9                  55.84                         39.04%
Ni                9                  58.69                         41.03%
S                  8                  32.06                         19.92%

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