Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mg2O2.SiO2 -- 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: Mg2O2.SiO2
Molar Mass: 140.691 g/mol        1g=7.10777519528612E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                2                  24.305                        34.55%
O                  4                  15.999                        45.49%
Si                1                  28.085                        19.96%

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