Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:33Na2O.67SiO2 -- 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: 33Na2O.67SiO2
Molar Mass: 4120.5396 g/mol        1g=2.426866617178E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                3.4              22.9898                       1.92%
O                  137.1          15.999                        53.22%
Si                68.2            28.085                        46.47%

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