Identification from spectra (1) Answer

IB Chemistry: Identification from spectra (1) Answer

Answer to Identification from spectra: Question 1a) From the elemental analysisthe empirical formula is CH2Clb) From the mass spectrum the molar molecular mass is either 98, 100 or 102 g mol-1. This means that it is twice the empirical mass (49.48 g mol-1) and so the molecular formula is C2H4Cl2. The three different molar masses are due to the molecule containing isotopes of chlorine. For M+ = 98 both will be 35Cl, for...

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