Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:c4o4Os -- 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: c4o4Os
Molar Mass: 302.24 g/mol        1g=3.30862890418211E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
c                  4                  12.011                        15.9%
o                  4                  15.999                        21.17%
Os                1                  190.2                         62.93%

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