Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:K2O.3Na2O.4Al2O3.9SiO2 -- 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: K2O.3Na2O.4Al2O3.9SiO2
Molar Mass: 1228.7218 g/mol        1g=8.13853876442983E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  2                  39.098                        6.36%
O                  34                15.999                        44.27%
Na                6                  22.9898                       11.23%
Al                8                  26.982                        17.57%
Si                9                  28.085                        20.57%

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