Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:OsCO4 -- 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: OsCO4
Molar Mass: 266.207 g/mol        1g=3.75647522416766E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Os                1                  190.2                         71.45%
C                  1                  12.011                        4.51%
O                  4                  15.999                        24.04%

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