Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:s2n9o7 -- 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: s2n9o7
Molar Mass: 302.176 g/mol        1g=3.30932966218363E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
s                  2                  32.06                         21.22%
n                  9                  14.007                        41.72%
o                  7                  15.999                        37.06%

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