Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na9Cr9O31.5 -- 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: Na9Cr9O31.5
Molar Mass: 1175.8412 g/mol        1g=8.50454976403276E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                9.2              22.9898                       18.02%
Cr                9.1              51.996                        40.22%
O                  31.3            15.999                        42.61%

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