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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: Mo2(Cr2O7)3
Molar Mass: 839.835 g/mol        1g=1.19071007995618E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mo                2                  95.94                         22.85%
Cr                6                  51.996                        37.15%
O                  21                15.999                        40.01%

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

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