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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: Na2SiO3-9H2O
Molar Mass: 131.0764 g/mol        1g=7.62913842613926E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                1.6              22.9898                       28.21%
Si                0.7              28.085                        14.56%
O                  3.4              15.999                        41.96%
H                  -6.9            1.0079                        -5.33%

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

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