I’m supposed to label each peak with the correct letter but I’m struggling to understand it....

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I’m supposed to label each peak with the correct letter but I’m struggling to understand it. I’m not sure if I’m doing these correctly. I don’t know how to do the 13C NMR.

Problem D: CaHeO ester IR shows a key strong stretch at 1740 cm and several stretches at 1200 and 1055 cm MS shows a parent i

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Answer 1

Answer #1

C4H2O2 DBE = C + 1 - H/2 + N/2 = 4 + 1 - 8/2 + 0 = 5-4 = 0 4.12 1.26 PPM 61.0 170.2 20.7 180.160.140. 120 100 80 60 40 20 PPM

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