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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
3BeO.Al2O3.6SiO2= (BeO)3.Al2O3.6SiO2
Formula: Co2(Cr2O7)3
Molar Mass: 765.8214 g/mol        1g=1.30578748517605E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Co                2                  58.9332                       15.39%
Cr                6                  51.996                        40.74%
O                  21                15.999                        43.87%

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

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