Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2/3Fe0.5Mn0.5O2 -- 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: Na2/3Fe0.5Mn0.5O2
Molar Mass: 505.846533 g/mol        1g=1.9768841630076E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                0.7              22.9898                       3.03%
Fe                0.3              55.84                         3.03%
Mn                0.3              54.938                        3.03%
O                  10                15.999                        31.63%

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