Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:La1.4Sr1.6Mn2O7 -- 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: La1.4Sr1.6Mn2O7
Molar Mass: 1820.6031 g/mol        1g=5.49268536343808E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
La                0                  138.905                       0%
Sr                0                  87.62                         0%
Mn                12.1            54.938                        36.49%
O                  42.3            15.999                        37.18%

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