# Molar and molecular weight of C2H6Cl2Si

• Molecular formula: C2H6Cl2Si or (CH3)2SiCl2
• Relative molecular weight of C2H6Cl2Si: 129.06054
• Molar mass of C2H6Cl2Si: 129.06054 g/mol (0.12906 kg/mol)
ElementTotal atoms Atomic massTotal mass
C (Carbon)212.010724.0214
H (Hydrogen)61.007946.04764
Cl (Chlorine)235.45370.906
Si (Silicon)128.085528.0855
129.06054
Calculation of the relative molecular and molar mass of C2H6Cl2Si
• Mr[C2H6Cl2Si] = Ar[C] * 2 + Ar[H] * 6 + Ar[Cl] * 2 + Ar[Si] = 12.0107 * 2 + 1.00794 * 6 + 35.453 * 2 + 28.0855 = 129.06054
• Molar mass (kg/mol) = Mr[C2H6Cl2Si] : 1000 = 129.06054 : 1000 = 0.12906 kg/mol
C2H6Cl2Si: percent composition by element
• Carbon (C) = 24.0214 : 129.06054 * 100 = 18.613 %
• Hydrogen (H) = 6.04764 : 129.06054 * 100 = 4.686 %
• Chlorine (Cl) = 70.906 : 129.06054 * 100 = 54.94 %
• Silicon (Si) = 28.0855 : 129.06054 * 100 = 21.761 %

Chemical formula

## Relative molecular weights of other substances

BrKO4 [182.9999]
HCsO [149.9127919]
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