Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:MgS04.7H2O -- 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: MgS04.7H2O
Molar Mass: 278.6486 g/mol        1g=3.58874941413666E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                1                  24.305                        8.72%
S                  4                  32.06                         46.02%
H                  14                1.0079                        5.06%
O                  7                  15.999                        40.19%

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