Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mg3(AsI4)2 -- 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: Mg3(AsI4)2
Molar Mass: 1237.9982 g/mol        1g=8.07755617092173E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                3                  24.305                        5.89%
As                2                  74.9216                       12.1%
I                  8                  126.905                       82.01%

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