Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:B5O11 -- 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: B5O11
Molar Mass: 230.044 g/mol        1g=4.34699448801099E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
B                  5                  10.811                        23.5%
O                  11                15.999                        76.5%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 9/20/2025 01:00Molar Mass Calculator Formula: h3o12c18 9/20/2025 01:00Molar Mass Calculator Formula: Ni(SiO3)3 9/20/2025 01:00Molar Mass Calculator Formula: Sr(IO3)2 9/20/2025 01:00Molar Mass Calculator Formula: k3PO4 9/20/2025 01:00Molar Mass Calculator Formula: PB