Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:40h2o -- 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: 40h2o
Molar Mass: 58.0148 g/mol        1g=1.72369809083199E-02 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
h                  41.7            1.0079                        72.42%
o                  3.5              15.999                        96.53%

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