Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:KB12H11(nh3)2 -- 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: KB12H11(nh3)2
Molar Mass: 213.9783 g/mol        1g=4.67337108482496E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  1                  39.098                        18.27%
B                  12                10.811                        60.63%
H                  11                1.0079                        5.18%
n                  2                  14.007                        13.09%
h                  6                  1.0079                        2.83%

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