Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:si2o3 -- 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: si2o3
Molar Mass: 333.867 g/mol        1g=2.99520467731162E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
s                  1                  32.06                         9.6%
i                  2                  126.905                       76.02%
o                  3                  15.999                        14.38%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 5/25/2025 11:26Molar Mass Calculator Formula: 2Al3S4O 5/25/2025 11:26Molar Mass Calculator Formula: NaH2(PO4) 5/25/2025 11:26Molar Mass Calculator Formula: (2k2c2o4).(h2o) 5/25/2025 11:26Molar Mass Calculator Formula: 2NiO(OH) 5/25/2025 11:26Molar Mass Calculator Formula: P5N10Cl8