Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2S.7H2o -- 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: Na2S.7H2o
Molar Mass: 204.1432 g/mol        1g=4.89852221381853E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2                  22.9898                       22.52%
S                  1                  32.06                         15.7%
H                  14                1.0079                        6.91%
o                  7                  15.999                        54.86%

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