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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: PrCl3.6H2O
Molar Mass: 355.3578 g/mol        1g=2.81406514785942E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Pr                1                  140.91                        39.65%
Cl                3                  35.453                        29.93%
H                  12                1.0079                        3.4%
O                  6                  15.999                        27.01%

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

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