Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Si2Cl2Br2 -- 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: Si2Cl2Br2
Molar Mass: 286.884 g/mol        1g=3.48572942373921E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Si                2                  28.085                        19.58%
Cl                2                  35.453                        24.72%
Br                2                  79.904                        55.7%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 7/13/2025 10:46Molar Mass Calculator Formula: C3H11 7/13/2025 10:45Molar Mass Calculator Formula: C12H10 7/13/2025 10:45Molar Mass Calculator Formula: CaC2O 7/13/2025 10:45Molar Mass Calculator Formula: nh4c2h3o2 7/13/2025 10:45Molar Mass Calculator Formula: C17H21No4