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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: K2Cr2O7no23
Molar Mass: 676.165 g/mol        1g=1.47892895964742E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  2                  39.098                        11.56%
Cr                2                  51.996                        15.38%
O                  7                  15.999                        16.56%
n                  1                  14.007                        2.07%
o                  23                15.999                        54.42%

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

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