Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:4As2(SO4)3 -- 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: 4As2(SO4)3
Molar Mass: 442.0112 g/mol        1g=2.26238611148315E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
As                2.1              74.9216                       34.81%
S                  3.1              32.06                         22.66%
O                  12.3            15.999                        44.34%

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