Chemistry A-Level
high resolution
What high resolution means in Chemistry A-Level, as defined for AQA.
Definition of high resolution
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Reference: AQA
A property of an instrument that measures the mass to four or five decimal places, so formulae that appear identical at whole-number resolution separate cleanly.
Topics that use high resolution
- Mass spectrometry (AQA A-Level)
Related terms
- comparison to several decimal places
- isomers not distinguished
- molecular ion peak
- precise atomic masses
- candidate formulae
- rejecting alternatives
Using high resolution in the exam
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