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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: N2O2ArCO2NeHeCH4KrH2Xe
Molar Mass: 401.292 g/mol        1g=2.49195099827557E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
N                  2                  14.007                        6.98%
O                  4                  15.999                        15.95%
Ar                1                  39.94                         9.95%
C                  2                  12.011                        5.99%
Ne                1                  20.17                         5.03%
He                1                  4.0026                        1%
H                  6                  1.0079                        1.51%
Kr                1                  83.8                          20.88%
Xe                1                  131.3                         32.72%

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

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