uestion 3 [20] 3.1 Propose structures for compounds that fit the following data: a) A ketone with M+ = 72 and fragments at m/z = 57 and m/z = 29 (3) b) An alkane with M+ = 86 and fragments at m/z = 71, m/z = 41 and m/z = 15 (4) 3.2 Propose fragmentation patterns of the molecules below to determine which molecule will show m/z peaks at 43, 57, 87, 101 and 116: a) Isopropyl bromide b) Propyl chloride c) sec-Butyl isopropyl ether (13)

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A:

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.