Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C6H10OSe2 -- 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: C6H10OSe2
Molar Mass: 255.944 g/mol        1g=3.90710467914856E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  6                  12.011                        28.16%
H                  10                1.0079                        3.94%
O                  1                  15.999                        6.25%
Se                2                  78.9                          61.65%

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