Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mg3S402 -- 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: Mg3S402
Molar Mass: 12961.035 g/mol        1g=7.71543321964643E-05 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                3                  24.305                        0.56%
S                  402              32.06                         99.44%

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