Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:MgSO4-7H20 -- 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: MgSO4-7H20
Molar Mass: 133.519 g/mol        1g=7.48957077269902E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                0.7              24.305                        12.96%
S                  0.8              32.06                         18.77%
O                  3.6              15.999                        42.69%
H                  13.1            1.0079                        9.85%

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