Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mg3(PO3)3 -- 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: Mg3(PO3)3
Molar Mass: 309.828 g/mol        1g=3.22759724750507E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mg                3                  24.305                        23.53%
P                  3                  30.974                        29.99%
O                  9                  15.999                        46.47%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 12/15/2025 09:20Molar Mass Calculator Formula: n2h4co 12/15/2025 09:20Molar Mass Calculator Formula: MgSO6 12/15/2025 09:20Molar Mass Calculator Formula: C4(OH)2 12/15/2025 09:20Molar Mass Calculator Formula: 5CuSO4.5H2O 12/15/2025 09:19Molar Mass Calculator Formula: NaC2h3o2.3h2o