Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:ErC18H17N3O2F7.2H2O -- e-Tools Age

	Calculate molar mass
	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: ErC18H17N3O2F7.2H2O
Molar Mass: 643.5669 g/mol        1g=1.55384001259232E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Er                1                  167.2                         25.98%
C                  18                12.011                        33.59%
H                  21                1.0079                        3.29%
N                  3                  14.007                        6.53%
O                  4                  15.999                        9.94%
F                  7                  18.998                        20.66%

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