Trichloromethane consists of10.05% carbon 0.83% hydrogen and 82.12% chlorine.Its relative molar mass is 119.5% .Find its molecular mass(Cl=35.5,C=12,H=1)

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Relative molar mass 119%?
Trichloromethane consists of10.05% carbon 0.83% hydrogen and 82.12% chlorine.Its relative molar mass is 119.5% .Find its molecular mass(Cl=35.5,C=12,H=1)