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2 marksMass Spectroscopy

CAPE Chemistry Unit 2 · 2010 · Paper 2 · Question 5(c)

Given chlorine has two isotopes of relative atomic masses 34.97 (75.77% abundance) and 36.96 (24.23% abundance), calculate the average relative atomic mass of naturally occurring chlorine.

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Other parts of this question

  1. 5(a)State three molecular characteristics that can be determined from mass spectral data.[3 marks]
  2. 5(b)(i)Determine the m/e ratio of the M and M + 1 peaks.[2 marks]
  3. 5(b)(ii)Deduce the formula of the fragment ions at m/e ratios: 43, 63, and 65.[3 marks]
  4. 5(b)(iii)Deduce the formula of the M and M + 1 molecular ion species and provide the systematic name of the compound.[3 marks]
  5. 5(d)State two industrial applications of chromatography.[2 marks]

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