Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:yio2 -- 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: yio2
Molar Mass: 247.809 g/mol        1g=4.03536594716092E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
y                  1                  88.906                        35.88%
i                  1                  126.905                       51.21%
o                  2                  15.999                        12.91%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 10/31/2025 18:15Molar Mass Calculator Formula: MnSO4(2H2O) 10/31/2025 18:15Molar Mass Calculator Formula: 2Ca(OH) 10/31/2025 18:15Molar Mass Calculator Formula: KH2PO4.8H2O 10/31/2025 18:15Molar Mass Calculator Formula: 3AsBr3 10/31/2025 18:15Molar Mass Calculator Formula: c8h13o5n