Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C7H21B10I -- 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: C7H21B10I
Molar Mass: 340.2579 g/mol        1g=2.93894719270295E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  7                  12.011                        24.71%
H                  21                1.0079                        6.22%
B                  10                10.811                        31.77%
I                  1                  126.905                       37.3%

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