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Calculate molar mass

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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: 3MgO.2SiO2.2H2O
Molar Mass: 199.4996 g/mol        1g=5.01254137852908E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                1.1              24.305                        13.69%
O                  7.2              15.999                        57.64%
Si                2.1              28.085                        29.66%
H                  7                  1.0079                        3.52%

Top Use:    Molar Mass Calculator     Formula:  Co2(Cr2O7)3

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