Identification from spectra (11) Answer

IB Chemistry: Identification from spectra (11) Answer

Answer to Identification from spectra: Question 11ElementAmount / molSimplest ratioCarbon28.76/12.01 = 2.394Hydrogen4.23 / 1.01 = 4.197Oxygen19.16 / 16.00 = 1.202Bromine47.85 / 79.91 = 0.5991b) The two M+ peaks at m/z = 166 and 168 are due to the two isotopes of bromine, 79Br and 81Br which are present in roughly equal amounts. The average value for the molar mass of 167 g mol-1 is the same as the value for the empirical...

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