Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Pr(NO3)3.5H20 -- 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: Pr(NO3)3.5H20
Molar Mass: 427.712 g/mol        1g=2.33802184647613E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Pr                1                  140.91                        32.95%
N                  3                  14.007                        9.82%
O                  9                  15.999                        33.67%
H                  100              1.0079                        23.56%

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