CH-1137
Isotopes
Chemistry · Secondary 4 · Medium · Isotopes
A pure sample of element X is analysed using a mass spectrometer. Two peaks are observed at m/z 63 and 65 with relative abundances of 70% and 30% respectively. What is the relative atomic mass of X to 3 significant figures?
- 63.6
- 64.0
- 64.6
- 63.0
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