Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Er(NO3)3*5H2O -- 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: Er(NO3)3*5H2O
Molar Mass: 1115.2748 g/mol        1g=8.96640002984018E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Er                1                  167.2                         14.99%
N                  15                14.007                        18.84%
O                  46                15.999                        65.99%
H                  2                  1.0079                        0.18%

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