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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: Pb(CrO4)2
Molar Mass: 439.184 g/mol        1g=2.27694997996284E-03 mol
Percent composition (by mass):
Element  count           Atom Mass                %(by mass)
Pb                1                  207.2                         47.18%
Cr                2                  51.996                        23.68%
O                  8                  15.999                        29.14%

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

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