Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:KAlSi3o8 -- 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: KAlSi3o8
Molar Mass: 278.327 g/mol        1g=3.59289612578011E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  1                  39.098                        14.05%
Al                1                  26.982                        9.69%
Si                3                  28.085                        30.27%
o                  8                  15.999                        45.99%

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