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A Level Edexcel Chemistry - Topic 7 - Modern Analytic Techniques 1

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A Level Edexcel Chemistry - Topic 7 - Modern Analytic Techniques 1 Fully updated notes providing drop down answers to self made questions designed from numerous textbooks and exam mark schemes. During my revision, I created these drop down questions and answers by extracting the key informati...

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  • December 26, 2022
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Topic 7 - Modern Analytic
Techniques 1
Mass Spectrometry
How to find the molecular mass from a mass spectrum?

The mass charge value of the molecular ions peak is the molecular mass

What is a fragmentation pattern and how does it occur?

bombarding electrons make some of the molecular ions break up into fragments

The fragments that are ions show up on the mass spectrum, making
fragmentation patterns

they can be used to identify moelcules and their structure

What are the basic steps involved in working out the molecule from a mass
sprectrum?

1. Identify the fragments - look at the m/z peak of each molecule

2. Peice them together to form a moelcule with the correct Mr

Draw a diagram of a mass spectrometer




Topic 7 - Modern Analytic Techniques 1 1

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