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8. Given M** = 156, the possible formula of compound which include only one oxygen is; A. Ci3Hi40 B. Cy;HgO C. Cy2Hi9) D. CioH4O 9. An organic compound is composed of C, H, and N. It shows a molecular ion at m/z = 112 amu in the mass spectrum. What is the plausible molecular formula for this…