Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Cl12C5H5NH123 -- 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: Cl12C5H5NH123
Molar Mass: 628.5092 g/mol        1g=1.59106660650313E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Cl                12                35.453                        67.69%
C                  5                  12.011                        9.56%
H                  128              1.0079                        20.53%
N                  1                  14.007                        2.23%

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