Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Sr3Fe2O7 -- 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: Sr3Fe2O7
Molar Mass: 486.533 g/mol        1g=2.05535904039397E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Sr                3                  87.62                         54.03%
Fe                2                  55.84                         22.95%
O                  7                  15.999                        23.02%

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