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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: 9Au(NO2)2
Molar Mass: 297.977 g/mol        1g=3.35596371532031E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Au                1                  196.967                       69.12%
N                  2.6              14.007                        12.42%
O                  4.6              15.999                        24.5%

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

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