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Chemistry, 19.05.2021 19:40 jrios4983

2 The relative atomic mass of an element is 21.5. The two isotopes of the elementare ,20"10X occurring
25% in nature and 10X occurring 75% in nature.
Calculate x.

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2 The relative atomic mass of an element is 21.5. The two isotopes of the elementare ,20"10X occurr...

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