Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mg15P10O40 -- 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: Mg15P10O40
Molar Mass: 1314.275 g/mol        1g=7.60875768008978E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                15                24.305                        27.74%
P                  10                30.974                        23.57%
O                  40                15.999                        48.69%

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