Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:KAl(SO4)2-12(H2O) -- 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: KAl(SO4)2-12(H2O)
Molar Mass: 264.2068 g/mol        1g=3.78491393862686E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  0.7              39.098                        10.26%
Al                0.6              26.982                        5.67%
S                  1.6              32.06                         19.73%
O                  8.2              15.999                        49.96%
H                  -9.9            1.0079                        -3.78%

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